CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="pt" dir="ltr"> <head> <meta charset="UTF-8"> <title>Diâmetro – Wikipédia, a enciclopédia livre</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )ptwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janeiro","fevereiro","março","abril","maio","junho","julho","agosto","setembro","outubro","novembro","dezembro"],"wgRequestId":"ea9a7902-4137-4439-aabb-34c54cccc575","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Diâmetro","wgTitle":"Diâmetro","wgCurRevisionId":67906719,"wgRevisionId":67906719,"wgArticleId":18754,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["!Páginas com erros no destaque de sintaxe","Círculos","Comprimento","Desenho geométrico","Geometria elementar"],"wgPageViewLanguage":"pt","wgPageContentLanguage":"pt","wgPageContentModel":"wikitext","wgRelevantPageName":"Diâmetro","wgRelevantArticleId":18754,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgMediaViewerOnClick": true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"pt","pageLanguageDir":"ltr","pageVariantFallbacks":"pt"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q37221","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":true,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false,"wgSiteNoticeId":"2.30"};RLSTATE={"ext.gadget.FeedbackHighlight-base":"ready","ext.gadget.keepPDU": "ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","ext.pygments":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready","ext.dismissableSiteNotice.styles":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","ext.pygments.view","mediawiki.page.media","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.Topicon","ext.gadget.Metacaixa","ext.gadget.TitleRewrite","ext.gadget.ElementosOcultaveis","ext.gadget.FeedbackHighlight","ext.gadget.ReferenceTooltips","ext.gadget.NewVillagePump","ext.gadget.wikibugs", "ext.gadget.charinsert","ext.gadget.requestForAdminship","ext.gadget.WikiMiniAtlas","ext.gadget.PagesForDeletion","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","oojs-ui.styles.icons-media","oojs-ui-core.icons","wikibase.sidebar.tracking","ext.dismissableSiteNotice"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=pt&modules=ext.cite.styles%7Cext.dismissableSiteNotice.styles%7Cext.math.styles%7Cext.pygments%2CwikimediaBadges%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=pt&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=pt&modules=ext.gadget.FeedbackHighlight-base%2CkeepPDU&only=styles&skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=pt&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/1200px-Circle-withsegments.svg.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1200"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/800px-Circle-withsegments.svg.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="800"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/640px-Circle-withsegments.svg.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="640"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Diâmetro – Wikipédia, a enciclopédia livre"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//pt.m.wikipedia.org/wiki/Di%C3%A2metro"> <link rel="alternate" type="application/x-wiki" title="Editar" href="/w/index.php?title=Di%C3%A2metro&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (pt)"> <link rel="EditURI" type="application/rsd+xml" href="//pt.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://pt.wikipedia.org/wiki/Di%C3%A2metro"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt"> <link rel="alternate" type="application/atom+xml" title="''Feed'' Atom Wikipédia" href="/w/index.php?title=Especial:Mudan%C3%A7as_recentes&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Diâmetro rootpage-Diâmetro skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Saltar para o conteúdo</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="''Site''"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">ocultar</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navegação </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:P%C3%A1gina_principal" title="Visitar a página principal [z]" accesskey="z"><span>Página principal</span></a></li><li id="n-featuredcontent" class="mw-list-item"><a href="/wiki/Portal:Conte%C3%BAdo_destacado"><span>Conteúdo destacado</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Eventos_atuais" title="Informação temática sobre eventos atuais"><span>Eventos atuais</span></a></li><li id="n-villagepump" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Esplanada"><span>Esplanada</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Especial:Aleat%C3%B3ria" title="Carregar página aleatória [x]" accesskey="x"><span>Página aleatória</span></a></li><li id="n-portals" class="mw-list-item"><a href="/wiki/Portal:%C3%8Dndice"><span>Portais</span></a></li><li id="n-bug_in_article" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Informe_um_erro"><span>Informar um erro</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Colaboração </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-welcome" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Boas-vindas"><span>Boas-vindas</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Ajuda:P%C3%A1gina_principal" title="Um local reservado para auxílio."><span>Ajuda</span></a></li><li id="n-Páginas-de-testes-públicas" class="mw-list-item"><a href="/wiki/Ajuda:P%C3%A1gina_de_testes"><span>Páginas de testes públicas</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Portal_comunit%C3%A1rio" title="Sobre o projeto"><span>Portal comunitário</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Mudan%C3%A7as_recentes" title="Uma lista de mudanças recentes nesta wiki [r]" accesskey="r"><span>Mudanças recentes</span></a></li><li id="n-maintenance" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Manuten%C3%A7%C3%A3o"><span>Manutenção</span></a></li><li id="n-createpage" class="mw-list-item"><a href="/wiki/Ajuda:Guia_de_edi%C3%A7%C3%A3o/Como_come%C3%A7ar_uma_p%C3%A1gina"><span>Criar página</span></a></li><li id="n-newpages-description" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_novas"><span>Páginas novas</span></a></li><li id="n-contact-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contato"><span>Contato</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:P%C3%A1gina_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-pt.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Especial:Pesquisar" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Pesquisar na Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Busca</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Pesquisar na Wikipédia" aria-label="Pesquisar na Wikipédia" autocapitalize="sentences" title="Pesquisar na Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Pesquisar"> </div> <button class="cdx-button cdx-search-input__end-button">Pesquisar</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Ferramentas pessoais"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aspeto" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aspeto</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=20120521SB001&uselang=pt" class=""><span>Donativos</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Criar_conta&returnto=Di%C3%A2metro" title="É encorajado a criar uma conta e iniciar sessão; no entanto, não é obrigatório" class=""><span>Criar uma conta</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Entrar&returnto=Di%C3%A2metro" title="Aconselhamos-lhe a criar uma conta na Wikipédia, embora tal não seja obrigatório. [o]" accesskey="o" class=""><span>Entrar</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Mais opções" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Ferramentas pessoais" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Ferramentas pessoais</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu do utilizador" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=20120521SB001&uselang=pt"><span>Donativos</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Criar_conta&returnto=Di%C3%A2metro" title="É encorajado a criar uma conta e iniciar sessão; no entanto, não é obrigatório"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Criar uma conta</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Entrar&returnto=Di%C3%A2metro" title="Aconselhamos-lhe a criar uma conta na Wikipédia, embora tal não seja obrigatório. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Entrar</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Páginas para editores sem sessão iniciada <a href="/wiki/Ajuda:Introduction" aria-label="Saiba mais sobre edição"><span>saber mais</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:Minhas_contribui%C3%A7%C3%B5es" title="Uma lista de edições feitas a partir deste endereço IP [y]" accesskey="y"><span>Contribuições</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:Minha_discuss%C3%A3o" title="Discussão sobre edições feitas a partir deste endereço IP [n]" accesskey="n"><span>Discussão</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003Eocultar\u003C/a\u003E]\u003C/div\u003E\u003Cdiv class=\"mw-dismissable-notice-body\"\u003E\u003C!-- CentralNotice --\u003E\u003Cdiv id=\"localNotice\" data-nosnippet=\"\"\u003E\u003Cdiv class=\"anonnotice\" lang=\"pt\" dir=\"ltr\"\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E";}}());</script></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="''Site''"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Conteúdo" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Conteúdo</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ocultar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Início</div> </a> </li> <li id="toc-Generalizações" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Generalizações"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Generalizações</span> </div> </a> <ul id="toc-Generalizações-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Símbolo" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Símbolo"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Símbolo</span> </div> </a> <button aria-controls="toc-Símbolo-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Símbolo</span> </button> <ul id="toc-Símbolo-sublist" class="vector-toc-list"> <li id="toc-Codificações" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Codificações"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Codificações</span> </div> </a> <ul id="toc-Codificações-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Diâmetro_em_relação_ao_raio" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Diâmetro_em_relação_ao_raio"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Diâmetro em relação ao raio</span> </div> </a> <ul id="toc-Diâmetro_em_relação_ao_raio-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ver_também" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ver_também"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Ver também</span> </div> </a> <ul id="toc-Ver_também-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referências" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referências"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Referências</span> </div> </a> <ul id="toc-Referências-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Conteúdo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Alternar o índice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Alternar o índice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Diâmetro</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir para um artigo noutra língua. Disponível em 103 línguas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-103" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">103 línguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Deursnee" title="Deursnee — africanês" lang="af" hreflang="af" data-title="Deursnee" data-language-autonym="Afrikaans" data-language-local-name="africanês" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Durchmesser" title="Durchmesser — alemão suíço" lang="gsw" hreflang="gsw" data-title="Durchmesser" data-language-autonym="Alemannisch" data-language-local-name="alemão suíço" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%B7%D8%B1_(%D9%87%D9%86%D8%AF%D8%B3%D8%A9)" title="قطر (هندسة) — árabe" lang="ar" hreflang="ar" data-title="قطر (هندسة)" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%82%D8%B7%D8%B1_(%D9%87%D9%86%D8%AF%D8%B3%D9%87)" title="قطر (هندسه) — Egyptian Arabic" lang="arz" hreflang="arz" data-title="قطر (هندسه)" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_(%E0%A6%9C%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%A4%E0%A6%BF)" title="ব্যাস (জ্যামিতি) — assamês" lang="as" hreflang="as" data-title="ব্যাস (জ্যামিতি)" data-language-autonym="অসমীয়া" data-language-local-name="assamês" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Di%C3%A1metru" title="Diámetru — asturiano" lang="ast" hreflang="ast" data-title="Diámetru" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Diametr" title="Diametr — azerbaijano" lang="az" hreflang="az" data-title="Diametr" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaijano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%94%D1%8B%D1%8F%D0%BC%D0%B5%D1%82%D1%80" title="Дыяметр — bielorrusso" lang="be" hreflang="be" data-title="Дыяметр" data-language-autonym="Беларуская" data-language-local-name="bielorrusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%94%D1%8B%D1%8F%D0%BC%D1%8D%D1%82%D0%B0%D1%80" title="Дыямэтар — Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Дыямэтар" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%8A%D1%80" title="Диаметър — búlgaro" lang="bg" hreflang="bg" data-title="Диаметър" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8" title="ব্যাস — bengalês" lang="bn" hreflang="bn" data-title="ব্যাস" data-language-autonym="বাংলা" data-language-local-name="bengalês" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Pre%C4%8Dnik" title="Prečnik — bósnio" lang="bs" hreflang="bs" data-title="Prečnik" data-language-autonym="Bosanski" data-language-local-name="bósnio" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Di%C3%A0metre" title="Diàmetre — catalão" lang="ca" hreflang="ca" data-title="Diàmetre" data-language-autonym="Català" data-language-local-name="catalão" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%DB%8C%D8%B1%DB%95_(%D8%A6%DB%95%D9%86%D8%AF%D8%A7%D8%B2%DB%95)" title="تیرە (ئەندازە) — curdo central" lang="ckb" hreflang="ckb" data-title="تیرە (ئەندازە)" data-language-autonym="کوردی" data-language-local-name="curdo central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Pr%C5%AFm%C4%9Br_(geometrie)" title="Průměr (geometrie) — checo" lang="cs" hreflang="cs" data-title="Průměr (geometrie)" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — chuvash" lang="cv" hreflang="cv" data-title="Диаметр" data-language-autonym="Чӑвашла" data-language-local-name="chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Diamedr" title="Diamedr — galês" lang="cy" hreflang="cy" data-title="Diamedr" data-language-autonym="Cymraeg" data-language-local-name="galês" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Diameter" title="Diameter — dinamarquês" lang="da" hreflang="da" data-title="Diameter" data-language-autonym="Dansk" data-language-local-name="dinamarquês" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Durchmesser" title="Durchmesser — alemão" lang="de" hreflang="de" data-title="Durchmesser" data-language-autonym="Deutsch" data-language-local-name="alemão" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%94%CE%B9%CE%AC%CE%BC%CE%B5%CF%84%CF%81%CE%BF%CF%82" title="Διάμετρος — grego" lang="el" hreflang="el" data-title="Διάμετρος" data-language-autonym="Ελληνικά" data-language-local-name="grego" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Diameter" title="Diameter — inglês" lang="en" hreflang="en" data-title="Diameter" data-language-autonym="English" data-language-local-name="inglês" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Diametro" title="Diametro — esperanto" lang="eo" hreflang="eo" data-title="Diametro" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Di%C3%A1metro" title="Diámetro — espanhol" lang="es" hreflang="es" data-title="Diámetro" data-language-autonym="Español" data-language-local-name="espanhol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Diameeter" title="Diameeter — estónio" lang="et" hreflang="et" data-title="Diameeter" data-language-autonym="Eesti" data-language-local-name="estónio" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Diametro" title="Diametro — basco" lang="eu" hreflang="eu" data-title="Diametro" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%82%D8%B7%D8%B1_(%D8%AF%D8%A7%DB%8C%D8%B1%D9%87)" title="قطر (دایره) — persa" lang="fa" hreflang="fa" data-title="قطر (دایره)" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Halkaisija" title="Halkaisija — finlandês" lang="fi" hreflang="fi" data-title="Halkaisija" data-language-autonym="Suomi" data-language-local-name="finlandês" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Diam%C3%A8tre" title="Diamètre — francês" lang="fr" hreflang="fr" data-title="Diamètre" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr badge-Q70894304 mw-list-item" title=""><a href="https://frr.wikipedia.org/wiki/Trochmeeder" title="Trochmeeder — frísio setentrional" lang="frr" hreflang="frr" data-title="Trochmeeder" data-language-autonym="Nordfriisk" data-language-local-name="frísio setentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Diameter" title="Diameter — frísico ocidental" lang="fy" hreflang="fy" data-title="Diameter" data-language-autonym="Frysk" data-language-local-name="frísico ocidental" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Di%C3%A1metro" title="Diámetro — galego" lang="gl" hreflang="gl" data-title="Diámetro" data-language-autonym="Galego" data-language-local-name="galego" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B5%E0%AA%B0%E0%AB%8D%E0%AA%A4%E0%AB%81%E0%AA%B3%E0%AA%A8%E0%AB%8B_%E0%AA%B5%E0%AB%8D%E0%AA%AF%E0%AA%BE%E0%AA%B8" title="વર્તુળનો વ્યાસ — guzerate" lang="gu" hreflang="gu" data-title="વર્તુળનો વ્યાસ" data-language-autonym="ગુજરાતી" data-language-local-name="guzerate" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%95%D7%98%D7%A8" title="קוטר — hebraico" lang="he" hreflang="he" data-title="קוטר" data-language-autonym="עברית" data-language-local-name="hebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%B8_(%E0%A4%9C%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%AE%E0%A4%BF%E0%A4%A4%E0%A4%BF)" title="व्यास (ज्यामिति) — hindi" lang="hi" hreflang="hi" data-title="व्यास (ज्यामिति)" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Promjer" title="Promjer — croata" lang="hr" hreflang="hr" data-title="Promjer" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/%C3%81tm%C3%A9r%C5%91_(geometria)" title="Átmérő (geometria) — húngaro" lang="hu" hreflang="hu" data-title="Átmérő (geometria)" data-language-autonym="Magyar" data-language-local-name="húngaro" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8F%D6%80%D5%A1%D5%B4%D5%A1%D5%A3%D5%AB%D5%AE" title="Տրամագիծ — arménio" lang="hy" hreflang="hy" data-title="Տրամագիծ" data-language-autonym="Հայերեն" data-language-local-name="arménio" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Diametro" title="Diametro — interlíngua" lang="ia" hreflang="ia" data-title="Diametro" data-language-autonym="Interlingua" data-language-local-name="interlíngua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Diameter" title="Diameter — indonésio" lang="id" hreflang="id" data-title="Diameter" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésio" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%AE%D0%BA%D1%8A%D0%B9%D0%B8%D1%81%D1%82" title="Юкъйист — inguche" lang="inh" hreflang="inh" data-title="Юкъйист" data-language-autonym="ГӀалгӀай" data-language-local-name="inguche" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Diametro" title="Diametro — ido" lang="io" hreflang="io" data-title="Diametro" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/%C3%9Everm%C3%A1l" title="Þvermál — islandês" lang="is" hreflang="is" data-title="Þvermál" data-language-autonym="Íslenska" data-language-local-name="islandês" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Diametro" title="Diametro — italiano" lang="it" hreflang="it" data-title="Diametro" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%BE%84" title="径 — japonês" lang="ja" hreflang="ja" data-title="径" data-language-autonym="日本語" data-language-local-name="japonês" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Dhiam%C3%A8ter" title="Dhiamèter — javanês" lang="jv" hreflang="jv" data-title="Dhiamèter" data-language-autonym="Jawa" data-language-local-name="javanês" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%93%E1%83%98%E1%83%90%E1%83%9B%E1%83%94%E1%83%A2%E1%83%A0%E1%83%98" title="დიამეტრი — georgiano" lang="ka" hreflang="ka" data-title="დიამეტრი" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Akdu" title="Akdu — kabyle" lang="kab" hreflang="kab" data-title="Akdu" data-language-autonym="Taqbaylit" data-language-local-name="kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — cazaque" lang="kk" hreflang="kk" data-title="Диаметр" data-language-autonym="Қазақша" data-language-local-name="cazaque" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%A2%E1%9E%84%E1%9F%92%E1%9E%80%E1%9E%8F%E1%9F%8B%E1%9E%95%E1%9F%92%E1%9E%85%E1%9E%B7%E1%9E%8F" title="អង្កត់ផ្ចិត — khmer" lang="km" hreflang="km" data-title="អង្កត់ផ្ចិត" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B5%E0%B3%8D%E0%B2%AF%E0%B2%BE%E0%B2%B8_(%E0%B2%9C%E0%B3%8D%E0%B2%AF%E0%B2%BE%E0%B2%AE%E0%B2%BF%E0%B2%A4%E0%B2%BF)" title="ವ್ಯಾಸ (ಜ್ಯಾಮಿತಿ) — canarim" lang="kn" hreflang="kn" data-title="ವ್ಯಾಸ (ಜ್ಯಾಮಿತಿ)" data-language-autonym="ಕನ್ನಡ" data-language-local-name="canarim" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%80%EB%A6%84" title="지름 — coreano" lang="ko" hreflang="ko" data-title="지름" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — quirguiz" lang="ky" hreflang="ky" data-title="Диаметр" data-language-autonym="Кыргызча" data-language-local-name="quirguiz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Diametros" title="Diametros — latim" lang="la" hreflang="la" data-title="Diametros" data-language-autonym="Latina" data-language-local-name="latim" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Duerchmiesser" title="Duerchmiesser — luxemburguês" lang="lb" hreflang="lb" data-title="Duerchmiesser" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburguês" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Diameter" title="Diameter — limburguês" lang="li" hreflang="li" data-title="Diameter" data-language-autonym="Limburgs" data-language-local-name="limburguês" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Skersmuo" title="Skersmuo — lituano" lang="lt" hreflang="lt" data-title="Skersmuo" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Diametrs" title="Diametrs — letão" lang="lv" hreflang="lv" data-title="Diametrs" data-language-autonym="Latviešu" data-language-local-name="letão" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Savaivo" title="Savaivo — malgaxe" lang="mg" hreflang="mg" data-title="Savaivo" data-language-autonym="Malagasy" data-language-local-name="malgaxe" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B5%D1%87%D0%BD%D0%B8%D0%BA" title="Пречник — macedónio" lang="mk" hreflang="mk" data-title="Пречник" data-language-autonym="Македонски" data-language-local-name="macedónio" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B5%8D%E0%B4%AF%E0%B4%BE%E0%B4%B8%E0%B4%82" title="വ്യാസം — malaiala" lang="ml" hreflang="ml" data-title="വ്യാസം" data-language-autonym="മലയാളം" data-language-local-name="malaiala" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — mongol" lang="mn" hreflang="mn" data-title="Диаметр" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B5%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%B8_(%E0%A4%AD%E0%A5%82%E0%A4%AE%E0%A4%BF%E0%A4%A4%E0%A5%80)" title="व्यास (भूमिती) — marata" lang="mr" hreflang="mr" data-title="व्यास (भूमिती)" data-language-autonym="मराठी" data-language-local-name="marata" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Diameter" title="Diameter — malaio" lang="ms" hreflang="ms" data-title="Diameter" data-language-autonym="Bahasa Melayu" data-language-local-name="malaio" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%81%E1%80%BB%E1%80%84%E1%80%BA%E1%80%B8" title="အချင်း — birmanês" lang="my" hreflang="my" data-title="အချင်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmanês" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/D%C3%B6rmeter" title="Dörmeter — baixo-alemão" lang="nds" hreflang="nds" data-title="Dörmeter" data-language-autonym="Plattdüütsch" data-language-local-name="baixo-alemão" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Diameter" title="Diameter — neerlandês" lang="nl" hreflang="nl" data-title="Diameter" data-language-autonym="Nederlands" data-language-local-name="neerlandês" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Diameter" title="Diameter — norueguês nynorsk" lang="nn" hreflang="nn" data-title="Diameter" data-language-autonym="Norsk nynorsk" data-language-local-name="norueguês nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Diameter" title="Diameter — norueguês bokmål" lang="nb" hreflang="nb" data-title="Diameter" data-language-autonym="Norsk bokmål" data-language-local-name="norueguês bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Diam%C3%A8tre" title="Diamètre — occitano" lang="oc" hreflang="oc" data-title="Diamètre" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Diyaameetirii" title="Diyaameetirii — oromo" lang="om" hreflang="om" data-title="Diyaameetirii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/%C5%9Arednica" title="Średnica — polaco" lang="pl" hreflang="pl" data-title="Średnica" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%82%D8%B7%D8%B1_(%D8%AC%DB%8C%D9%88%D9%85%DB%8C%D9%B9%D8%B1%DB%8C)" title="قطر (جیومیٹری) — Western Punjabi" lang="pnb" hreflang="pnb" data-title="قطر (جیومیٹری)" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Raqta" title="Raqta — quíchua" lang="qu" hreflang="qu" data-title="Raqta" data-language-autonym="Runa Simi" data-language-local-name="quíchua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Diametru" title="Diametru — romeno" lang="ro" hreflang="ro" data-title="Diametru" data-language-autonym="Română" data-language-local-name="romeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — russo" lang="ru" hreflang="ru" data-title="Диаметр" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Promjer" title="Promjer — servo-croata" lang="sh" hreflang="sh" data-title="Promjer" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="servo-croata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Diameter" title="Diameter — Simple English" lang="en-simple" hreflang="en-simple" data-title="Diameter" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Priemer_(geometria)" title="Priemer (geometria) — eslovaco" lang="sk" hreflang="sk" data-title="Priemer (geometria)" data-language-autonym="Slovenčina" data-language-local-name="eslovaco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Premer" title="Premer — esloveno" lang="sl" hreflang="sl" data-title="Premer" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Gurapakati" title="Gurapakati — shona" lang="sn" hreflang="sn" data-title="Gurapakati" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Dhexroor" title="Dhexroor — somali" lang="so" hreflang="so" data-title="Dhexroor" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Diametri" title="Diametri — albanês" lang="sq" hreflang="sq" data-title="Diametri" data-language-autonym="Shqip" data-language-local-name="albanês" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D1%80%D0%B5%D1%87%D0%BD%D0%B8%D0%BA" title="Пречник — sérvio" lang="sr" hreflang="sr" data-title="Пречник" data-language-autonym="Српски / srpski" data-language-local-name="sérvio" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Diameter" title="Diameter — sueco" lang="sv" hreflang="sv" data-title="Diameter" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kipenyo" title="Kipenyo — suaíli" lang="sw" hreflang="sw" data-title="Kipenyo" data-language-autonym="Kiswahili" data-language-local-name="suaíli" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Szyrzka" title="Szyrzka — Silesian" lang="szl" hreflang="szl" data-title="Szyrzka" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%BF%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%AE%E0%AF%8D" title="விட்டம் — tâmil" lang="ta" hreflang="ta" data-title="விட்டம்" data-language-autonym="தமிழ்" data-language-local-name="tâmil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B5%E0%B1%8D%E0%B0%AF%E0%B0%BE%E0%B0%B8%E0%B0%82_(%E0%B0%97%E0%B0%A3%E0%B0%BF%E0%B0%A4_%E0%B0%B6%E0%B0%BE%E0%B0%B8%E0%B1%8D%E0%B0%A4%E0%B1%8D%E0%B0%B0%E0%B0%AE%E0%B1%81)" title="వ్యాసం (గణిత శాస్త్రము) — telugu" lang="te" hreflang="te" data-title="వ్యాసం (గణిత శాస్త్రము)" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — tajique" lang="tg" hreflang="tg" data-title="Диаметр" data-language-autonym="Тоҷикӣ" data-language-local-name="tajique" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AA%E0%B9%89%E0%B8%99%E0%B8%9C%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%A8%E0%B8%B9%E0%B8%99%E0%B8%A2%E0%B9%8C%E0%B8%81%E0%B8%A5%E0%B8%B2%E0%B8%87" title="เส้นผ่านศูนย์กลาง — tailandês" lang="th" hreflang="th" data-title="เส้นผ่านศูนย์กลาง" data-language-autonym="ไทย" data-language-local-name="tailandês" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Diyametro" title="Diyametro — tagalo" lang="tl" hreflang="tl" data-title="Diyametro" data-language-autonym="Tagalog" data-language-local-name="tagalo" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C3%87ap" title="Çap — turco" lang="tr" hreflang="tr" data-title="Çap" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%94%D0%B8%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Диаметр — tatar" lang="tt" hreflang="tt" data-title="Диаметр" data-language-autonym="Татарча / tatarça" data-language-local-name="tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%94%D1%96%D0%B0%D0%BC%D0%B5%D1%82%D1%80" title="Діаметр — ucraniano" lang="uk" hreflang="uk" data-title="Діаметр" data-language-autonym="Українська" data-language-local-name="ucraniano" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%82%D8%B7%D8%B1_(%DB%81%D9%86%D8%AF%D8%B3%DB%81)" title="قطر (ہندسہ) — urdu" lang="ur" hreflang="ur" data-title="قطر (ہندسہ)" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Diametr" title="Diametr — usbeque" lang="uz" hreflang="uz" data-title="Diametr" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbeque" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%C6%B0%E1%BB%9Dng_k%C3%ADnh" title="Đường kính — vietnamita" lang="vi" hreflang="vi" data-title="Đường kính" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Diametro" title="Diametro — waray" lang="war" hreflang="war" data-title="Diametro" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%9B%B4%E5%BE%84" title="直径 — wu" lang="wuu" hreflang="wuu" data-title="直径" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%93%D7%99%D7%90%D7%9E%D7%A2%D7%98%D7%A2%D7%A8" title="דיאמעטער — iídiche" lang="yi" hreflang="yi" data-title="דיאמעטער" data-language-autonym="ייִדיש" data-language-local-name="iídiche" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9B%B4%E5%BE%84" title="直径 — chinês" lang="zh" hreflang="zh" data-title="直径" data-language-autonym="中文" data-language-local-name="chinês" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ti%CC%8Dt-k%C3%A8ng" title="Ti̍t-kèng — min nan" lang="nan" hreflang="nan" data-title="Ti̍t-kèng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%9B%B4%E5%BE%91" title="直徑 — cantonês" lang="yue" hreflang="yue" data-title="直徑" data-language-autonym="粵語" data-language-local-name="cantonês" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q37221#sitelinks-wikipedia" title="Editar hiperligações interlínguas" class="wbc-editpage">Editar hiperligações</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaços nominais"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Di%C3%A2metro" title="Ver a página de conteúdo [c]" accesskey="c"><span>Artigo</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discuss%C3%A3o:Di%C3%A2metro" rel="discussion" title="Discussão sobre o conteúdo da página [t]" accesskey="t"><span>Discussão</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Mudar a variante da língua" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">português</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistas"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Di%C3%A2metro"><span>Ler</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit" title="Editar esta página [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&action=history" title="Edições anteriores desta página. [h]" accesskey="h"><span>Ver histórico</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Ferramentas de página"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Ferramentas" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Ferramentas</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Ferramentas</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ocultar</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mais opções" > <div class="vector-menu-heading"> Operações </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Di%C3%A2metro"><span>Ler</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit" title="Editar esta página [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&action=history"><span>Ver histórico</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Geral </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_afluentes/Di%C3%A2metro" title="Lista de todas as páginas que contêm hiperligações para esta [j]" accesskey="j"><span>Páginas afluentes</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Altera%C3%A7%C3%B5es_relacionadas/Di%C3%A2metro" rel="nofollow" title="Mudanças recentes nas páginas para as quais esta contém hiperligações [k]" accesskey="k"><span>Alterações relacionadas</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Carregar_ficheiro" title="Carregar ficheiros [u]" accesskey="u"><span>Carregar ficheiro</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_especiais" title="Lista de páginas especiais [q]" accesskey="q"><span>Páginas especiais</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&oldid=67906719" title="Hiperligação permanente para esta revisão desta página"><span>Hiperligação permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&action=info" title="Mais informações sobre esta página"><span>Informações da página</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citar&page=Di%C3%A2metro&id=67906719&wpFormIdentifier=titleform" title="Informação sobre como citar esta página"><span>Citar esta página</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FDi%25C3%25A2metro"><span>Obter URL encurtado</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FDi%25C3%25A2metro"><span>Descarregar código QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimir/exportar </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Livro&bookcmd=book_creator&referer=Di%C3%A2metro"><span>Criar um livro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=Di%C3%A2metro&action=show-download-screen"><span>Descarregar como PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Di%C3%A2metro&printable=yes" title="Versão para impressão desta página [p]" accesskey="p"><span>Versão para impressão</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Noutros projetos </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Diameter" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q37221" title="Hiperligação para o elemento do repositório de dados [g]" accesskey="g"><span>Elemento Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Ferramentas de página"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspeto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Origem: Wikipédia, a enciclopédia livre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="pt" dir="ltr"><figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Circle-withsegments.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/220px-Circle-withsegments.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/330px-Circle-withsegments.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Circle-withsegments.svg/440px-Circle-withsegments.svg.png 2x" data-file-width="726" data-file-height="726" /></a><figcaption>Uma <a href="/wiki/Circunfer%C3%AAncia" title="Circunferência">circunferência</a> com <span style="margin:0px; padding-bottom:1px; font-size:100%; display:block;"><span style="border-width:0; border-top:2px dotted #000; border-top:black solid 3px; font-size:40%;">                    </span> comprimento da circunferência <i>C</i></span> <span style="margin:0px; padding-bottom:1px; font-size:100%; display:block;"><span style="border-width:0; border-top:2px dotted #000; border-top:blue solid 2px; font-size:40%;">                    </span> diâmetro <i>D</i></span> <span style="margin:0px; padding-bottom:1px; font-size:100%; display:block;"><span style="border-width:0; border-top:2px dotted #000; border-top:red solid 2px; font-size:40%;">                    </span> raio <i>R</i></span> <span style="margin:0px; padding-bottom:1px; font-size:100%; display:block;"><span style="border-width:0; border-top:2px dotted #000; border-top:green solid 2px; font-size:40%;">                    </span> centro ou origem <i>O</i></span></figcaption></figure> <p>Em <a href="/wiki/Geometria" title="Geometria">geometria</a>, um diâmetro de uma <a href="/wiki/Circunfer%C3%AAncia" title="Circunferência">circunferência</a> é qualquer segmento de reta que passa pelo centro do círculo e cujas extremidades estão sobre o círculo. Ele também pode ser definido como a maior <a href="/wiki/Corda_(geometria)" title="Corda (geometria)">corda</a> do círculo. Ambas as definições são válidas também para o diâmetro de uma <a href="/wiki/Esfera" title="Esfera">esfera</a>. A palavra "diâmetro" é derivada do grego antigo: <span lang="el" class="politonico">διάμετρος</span> (<span lang="grc-Latn" title="grc transliteration" class="Unicode" style="white-space:normal; text-decoration: none">diametros</span>), formado por <span lang="el" class="politonico">διά</span> (<span lang="grc-Latn" title="grc transliteration" class="Unicode" style="white-space:normal; text-decoration: none">dia</span>), "através" e <span lang="el" class="politonico">μέτρον</span> (<span lang="grc-Latn" title="grc transliteration" class="Unicode" style="white-space:normal; text-decoration: none">metron</span>), "medida".<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> É geralmente abreviada como <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \operatorname {DI{\hat {A}}M} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-OP MJX-fixedlimits"> <mi mathvariant="normal">D</mi> <mi mathvariant="normal">I</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="normal">A</mi> <mo stretchy="false">^</mo> </mover> </mrow> </mrow> <mi mathvariant="normal">M</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \operatorname {DI{\hat {A}}M} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3dd80ab23e20a9f704c967f9094e4c2faf19f2b4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.489ex; height:2.843ex;" alt="{\displaystyle \operatorname {DI{\hat {A}}M} }"></span>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \operatorname {di{\hat {a}}m} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-OP MJX-fixedlimits"> <mi mathvariant="normal">d</mi> <mi mathvariant="normal">i</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="normal">a</mi> <mo stretchy="false">^</mo> </mover> </mrow> </mrow> <mi mathvariant="normal">m</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \operatorname {di{\hat {a}}m} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3be77615cd24f4325d6644ef7347c7c629ad2e51" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.038ex; height:2.343ex;" alt="{\displaystyle \operatorname {di{\hat {a}}m} }"></span>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e85ff03cbe0c7341af6b982e47e9f90d235c66ab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.216ex; height:2.176ex;" alt="{\displaystyle d}"></span>, ou <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varnothing }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi class="MJX-variant">∅</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varnothing }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/00595c5e33692e724937fdcc8870496acce1ac74" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.808ex; height:2.009ex;" alt="{\displaystyle \varnothing }"></span>. </p><p>Habitualmente, o comprimento <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e85ff03cbe0c7341af6b982e47e9f90d235c66ab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.216ex; height:2.176ex;" alt="{\displaystyle d}"></span> de um diâmetro também é chamado de diâmetro. Nesse sentido, falamos <i>o</i> diâmetro em vez de <i>um</i> diâmetro (que se refere ao próprio segmento de reta), porque todos os diâmetros de um círculo ou esfera têm o mesmo comprimento, que é o dobro do raio <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle r}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>r</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle r}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0d1ecb613aa2984f0576f70f86650b7c2a132538" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.049ex; height:1.676ex;" alt="{\displaystyle r}"></span>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d=2r\qquad {\text{ou, equivalentemente,}}\qquad r={\frac {d}{2}}.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> <mo>=</mo> <mn>2</mn> <mi>r</mi> <mspace width="2em" /> <mrow class="MJX-TeXAtom-ORD"> <mtext>ou, equivalentemente,</mtext> </mrow> <mspace width="2em" /> <mi>r</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>d</mi> <mn>2</mn> </mfrac> </mrow> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d=2r\qquad {\text{ou, equivalentemente,}}\qquad r={\frac {d}{2}}.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/37b7ab0b1148dd92e29d9646d5e5673ef4bd4277" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:44.687ex; height:5.343ex;" alt="{\displaystyle d=2r\qquad {\text{ou, equivalentemente,}}\qquad r={\frac {d}{2}}.}"></span></dd></dl> <p>Para uma forma <a href="/wiki/Conjunto_convexo" title="Conjunto convexo">convexa</a> no <a href="/wiki/Plano_(geometria)" title="Plano (geometria)">plano</a>, o diâmetro é definido como a maior distância que pode ser formada entre duas <a href="/wiki/Paralelismo" title="Paralelismo">retas paralelas</a> opostas <a href="/wiki/Tangente_(geometria)" title="Tangente (geometria)">tangentes</a> à sua borda, e a <i>largura</i> é frequentemente definida como a menor distância. Ambas as quantidades podem ser calculadas eficientemente usando o método de compassos giratórios.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup> Para uma <a href="/wiki/Curva_de_largura_constante" title="Curva de largura constante">curva de largura constante</a>, como o <a href="/wiki/Tri%C3%A2ngulo_de_Reuleaux" title="Triângulo de Reuleaux">triângulo de Reuleaux</a>, a largura e o diâmetro são iguais porque todos os pares de linhas tangentes paralelas têm a mesma distância. </p><p><span id="Elipse"></span> </p><p>Para uma <a href="/wiki/Elipse" title="Elipse">elipse</a>, a terminologia padrão é diferente. Um diâmetro de uma elipse é qualquer <a href="/wiki/Corda_(geometria)" title="Corda (geometria)">corda</a> que passa pelo centro da elipse.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>3<span>]</span></a></sup> Por exemplo, <a href="/w/index.php?title=Di%C3%A2metro_conjugado&action=edit&redlink=1" class="new" title="Diâmetro conjugado (página não existe)">diâmetros conjugados</a> <small style="font-style:normal; position:relative; top:-0.2em;">[<a href="https://en.wikipedia.org/wiki/Conjugate_diameters" class="extiw" title="en:Conjugate diameters"><span title=""Conjugate diameters" na Wikipédia em English">en</span></a>]</small> têm a propriedade de que uma reta tangente à elipse no extremo de um diâmetro é paralela ao diâmetro conjugado. O diâmetro mais longo é chamado de <a href="/wiki/Semieixo_maior" class="mw-redirect" title="Semieixo maior">semieixo maior</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Generalizações"><span id="Generaliza.C3.A7.C3.B5es"></span>Generalizações</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit&section=1" title="Editar secção: Generalizações" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Di%C3%A2metro&action=edit&section=1" title="Editar código-fonte da secção: Generalizações"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Parabel-psehnen-s.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Parabel-psehnen-s.svg/220px-Parabel-psehnen-s.svg.png" decoding="async" width="220" height="240" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Parabel-psehnen-s.svg/330px-Parabel-psehnen-s.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Parabel-psehnen-s.svg/440px-Parabel-psehnen-s.svg.png 2x" data-file-width="191" data-file-height="208" /></a><figcaption>Uma <a href="/wiki/Par%C3%A1bola" title="Parábola">parábola</a> em que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01d131dfd7673938b947072a13a9744fe997e632" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.09ex; height:1.676ex;" alt="{\displaystyle s}"></span> é uma <a href="/wiki/Corda_(geometria)" title="Corda (geometria)">corda</a> e <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f82cade9898ced02fdd08712e5f0c0151758a0dd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}"></span> o seu <a href="/wiki/Ponto_m%C3%A9dio" title="Ponto médio">ponto médio</a>. O diâmetro <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0a07d98bb302f3856cbabc47b2b9016692e3f7bc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.04ex; height:1.676ex;" alt="{\displaystyle m}"></span> é a reta que passa por todos os pontos médios das cordas paralelas a <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01d131dfd7673938b947072a13a9744fe997e632" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.09ex; height:1.676ex;" alt="{\displaystyle s}"></span>.</figcaption></figure> <p>As definições fornecidas acima são válidas apenas para círculos, esferas e formas convexas. No entanto, elas são casos especiais de uma definição mais geral que é válida para qualquer tipo de objeto <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle n}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a601995d55609f2d9f5e233e36fbe9ea26011b3b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.395ex; height:1.676ex;" alt="{\displaystyle n}"></span>-dimensional (seja ele convexo ou não convexo), como um <a href="/wiki/Hipercubo" title="Hipercubo">hipercubo</a> ou um <a href="/wiki/Conjunto" title="Conjunto">conjunto</a> de pontos dispersos. O diâmetro ou diâmetro métrico de um <a href="/wiki/Subconjunto" title="Subconjunto">subconjunto</a> de um <a href="/wiki/Espa%C3%A7o_m%C3%A9trico" title="Espaço métrico">espaço métrico</a> é o <a href="/wiki/Supremo_e_%C3%ADnfimo" title="Supremo e ínfimo">limite superior inferior</a> do conjunto de todas as distâncias entre pares de pontos no subconjunto. Explicitamente, se <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle S}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4611d85173cd3b508e67077d4a1252c9c05abca2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.499ex; height:2.176ex;" alt="{\displaystyle S}"></span> é o subconjunto e se <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f7d439671d1289b6a816e6af7a304be40608d64" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:1.202ex; height:2.176ex;" alt="{\displaystyle \rho }"></span> é a métrica, o diâmetro é <span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \operatorname {di{\hat {a}}m} (S)=\sup _{x,y\in S}\rho (x,y).}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-OP MJX-fixedlimits"> <mi mathvariant="normal">d</mi> <mi mathvariant="normal">i</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="normal">a</mi> <mo stretchy="false">^</mo> </mover> </mrow> </mrow> <mi mathvariant="normal">m</mi> </mrow> <mo>⁡</mo> <mo stretchy="false">(</mo> <mi>S</mi> <mo stretchy="false">)</mo> <mo>=</mo> <munder> <mo movablelimits="true" form="prefix">sup</mo> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> <mo>,</mo> <mi>y</mi> <mo>∈</mo> <mi>S</mi> </mrow> </munder> <mi>ρ</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>,</mo> <mi>y</mi> <mo stretchy="false">)</mo> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \operatorname {di{\hat {a}}m} (S)=\sup _{x,y\in S}\rho (x,y).}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1a4d99f1e2a8feef08a314c60476adc55c2690e9" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.838ex; width:23.38ex; height:4.843ex;" alt="{\displaystyle \operatorname {di{\hat {a}}m} (S)=\sup _{x,y\in S}\rho (x,y).}"></span> </p><p>Se o <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f7d439671d1289b6a816e6af7a304be40608d64" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:1.202ex; height:2.176ex;" alt="{\displaystyle \rho }"></span> métrico é visto como tendo o <a href="/wiki/Contradom%C3%ADnio" title="Contradomínio">contradomínio</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbb {R} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">R</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbb {R} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/786849c765da7a84dbc3cce43e96aad58a5868dc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.678ex; height:2.176ex;" alt="{\displaystyle \mathbb {R} }"></span> (o conjunto de todos os <a href="/wiki/N%C3%BAmeros_reais" class="mw-redirect" title="Números reais">números reais</a>), isso implica que o diâmetro do <a href="/wiki/Conjunto_vazio" title="Conjunto vazio">conjunto vazio</a> (o caso <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle S=\varnothing }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> <mo>=</mo> <mi class="MJX-variant">∅</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S=\varnothing }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/27b1201fbac63d05e5b89c4ff6d2c716fd759f72" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.406ex; height:2.176ex;" alt="{\displaystyle S=\varnothing }"></span>) é igual a <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle -\infty }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>−</mo> <mi mathvariant="normal">∞</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle -\infty }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ca2608c4b5fd3bffc73585f8c67e379b4e99b6f1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:4.132ex; height:2.176ex;" alt="{\displaystyle -\infty }"></span>. Alguns autores preferem tratar o conjunto vazio como um caso especial, designando-o o diâmetro de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle 0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2aae8864a3c1fec9585261791a809ddec1489950" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.162ex; height:2.176ex;" alt="{\displaystyle 0}"></span>,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span>[</span>4<span>]</span></a></sup> que corresponde a pegar o contradomínio de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e85ff03cbe0c7341af6b982e47e9f90d235c66ab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.216ex; height:2.176ex;" alt="{\displaystyle d}"></span> para ser o conjunto dos reais não negativos. </p><p>Para qualquer objeto sólido ou conjunto de pontos dispersos no <a href="/wiki/Espa%C3%A7o_euclidiano" title="Espaço euclidiano">espaço euclidiano</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle n}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a601995d55609f2d9f5e233e36fbe9ea26011b3b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.395ex; height:1.676ex;" alt="{\displaystyle n}"></span>-dimensional, o diâmetro do objeto ou conjunto é o mesmo que o diâmetro de sua <a href="/wiki/Envolt%C3%B3ria_convexa" title="Envoltória convexa">envoltória convexa</a>. Na terminologia médica, relacionada a uma lesão, ou na geologia, relacionada a uma rocha, o diâmetro de um objeto é o limite superior inferior do conjunto de todas as distâncias entre pares de pontos no objeto. </p><p>Na <a href="/wiki/Geometria_diferencial" title="Geometria diferencial">geometria diferencial</a>, o diâmetro é um importante <a href="/wiki/Invariante" title="Invariante">invariante</a> <a href="/wiki/Geometria_de_Riemann" title="Geometria de Riemann">Riemanniano</a> global. </p><p>Na <a href="/wiki/Geometria_plana" class="mw-redirect" title="Geometria plana">geometria plana</a> e <a href="/wiki/Geometria_anal%C3%ADtica" title="Geometria analítica">analítica</a>, um diâmetro de uma <a href="/wiki/Se%C3%A7%C3%A3o_c%C3%B4nica" class="mw-redirect" title="Seção cônica">seção cônica</a> é tipicamente definido como qualquer corda que passa pelo centro da cônica. Esses diâmetros não têm necessariamente o mesmo comprimento, exceto no caso do círculo, que tem excentricidade <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle e=0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e=0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d9850169d70a5ab7df71c2126441a86cec93eec8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.344ex; height:2.176ex;" alt="{\displaystyle e=0}"></span>. No entanto, o diâmetro de uma <a href="/wiki/Par%C3%A1bola" title="Parábola">parábola</a> é uma reta que passa pelos <a href="/wiki/Ponto_m%C3%A9dio" title="Ponto médio">pontos médios</a> de um sistema de cordas paralelas.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span>[</span>5<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Símbolo"><span id="S.C3.ADmbolo"></span>Símbolo</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit&section=2" title="Editar secção: Símbolo" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Di%C3%A2metro&action=edit&section=2" title="Editar código-fonte da secção: Símbolo"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Technical_Drawing_Hole_01.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Technical_Drawing_Hole_01.svg/122px-Technical_Drawing_Hole_01.svg.png" decoding="async" width="122" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Technical_Drawing_Hole_01.svg/183px-Technical_Drawing_Hole_01.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/67/Technical_Drawing_Hole_01.svg/244px-Technical_Drawing_Hole_01.svg.png 2x" data-file-width="512" data-file-height="666" /></a><figcaption>O símbolo ⌀ num desenho técnico</figcaption></figure> <p>O <a href="/wiki/S%C3%ADmbolo" title="Símbolo">símbolo</a> ou <a href="/wiki/Vari%C3%A1vel_(matem%C3%A1tica)" title="Variável (matemática)">variável</a> para diâmetro, <code class="mw-highlight mw-content-ltr" id="" style="" dir="ltr">⌀</code>, é às vezes usado em desenhos técnicos ou especificações como um prefixo ou sufixo para um número (por exemplo, "⌀ 55 mm"), indicando que representa o diâmetro. Por exemplo, os tamanhos de roscas de <a href="/wiki/Filtro_fotogr%C3%A1fico" title="Filtro fotográfico">filtros fotográficos</a> são frequentemente representados dessa maneira. </p><p>Em <a href="/wiki/L%C3%ADngua_alem%C3%A3" title="Língua alemã">alemão</a>, o símbolo do diâmetro (<i><a href="https://de.wikipedia.org/wiki/Durchmesserzeichen" class="extiw" title="de:Durchmesserzeichen">Durchmesserzeichen</a></i>) também é usado como símbolo de média (<i>Durchschnittszeichen</i>). </p> <div class="mw-heading mw-heading3"><h3 id="Codificações"><span id="Codifica.C3.A7.C3.B5es"></span>Codificações</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit&section=3" title="Editar secção: Codificações" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Di%C3%A2metro&action=edit&section=3" title="Editar código-fonte da secção: Codificações"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>O símbolo tem um <a href="/wiki/Ponto_de_c%C3%B3digo" title="Ponto de código">ponto de código</a> <a href="/wiki/Unicode" title="Unicode">Unicode</a> em <span style="white-space:nowrap;"><style data-mw-deduplicate="TemplateStyles:r57048540">.mw-parser-output .monospaced{font-family:monospace,monospace}</style><span class="monospaced">U+2300</span> </span><span style="font-size:125%;line-height:1em">⌀</span> <span style="font-size:85%;">DIAMETER SIGN</span>, no conjunto <i>Miscellaneous Technical</i>. Em um <a href="/wiki/Apple" title="Apple">Apple</a> <a href="/wiki/Macintosh" title="Macintosh">Macintosh</a>, o símbolo de diâmetro pode ser inserido através do painel de caracteres (isso é aberto pressionando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Opt</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Cmd</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">T</span></small> na maioria das aplicações), onde pode ser encontrado na categoria Símbolos Técnicos. Nos sistemas Unix/Linux/ChromeOS, ele é gerado usando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Ctrl</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Shift</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">U</span></small> <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">2</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">3</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">0</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">0</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">space</span></small>. Nos <a href="/wiki/Sistemas_operacionais_tipo_Unix" class="mw-redirect" title="Sistemas operacionais tipo Unix">Sistemas operacionais tipo Unix</a>, ele pode ser obtido usando uma tecla de composição pressionando, em sequência, <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Compose</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">d</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">i</span></small>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span>[</span>6<span>]</span></a></sup> No Windows, ele pode ser inserido na maioria dos programas com a combinação da tecla Alt 8960. </p><p>No entanto, o caractere pode não exibir corretamente, visto que várias <a href="/wiki/Fam%C3%ADlia_tipogr%C3%A1fica" title="Família tipográfica">fontes</a> não o incluem. Em várias situações, a letra nórdica <a href="/wiki/%C3%98" title="Ø">Ø</a> no Unicode <span style="white-space:nowrap;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r57048540"><span class="monospaced">U+00F8</span> </span><span style="font-size:125%;line-height:1em">ø</span> <span style="font-size:85%;">LATIN SMALL LETTER O WITH STROKE</span> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r57048540"><span class="monospaced">&oslash;</span>) é uma <a href="/w/index.php?title=Aproxima%C3%A7%C3%A3o_tipogr%C3%A1fica&action=edit&redlink=1" class="new" title="Aproximação tipográfica (página não existe)">substituição aceitavel</a> <small style="font-style:normal; position:relative; top:-0.2em;">[<a href="https://en.wikipedia.org/wiki/Typographic_approximation" class="extiw" title="en:Typographic approximation"><span title=""Typographic approximation" na Wikipédia em English">en</span></a>]</small>. Esse pode ser inserido num Macintosh pressionando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Opt</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">O</span></small> (a letra o, não o número <a href="/wiki/0_(n%C3%BAmero)" title="0 (número)">0</a>). Nos sistemas Unix/Linux/ChromeOS, ele pode ser gerado usando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Ctrl</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Shift</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">U</span></small> <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">F</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">8</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">space</span></small> ou <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Compose</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">o</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">/</span></small>. O <a href="/wiki/AutoCAD" title="AutoCAD">AutoCAD</a> disponibiliza <span style="white-space:nowrap;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r57048540"><span class="monospaced">U+2205</span> </span><span style="font-size:125%;line-height:1em">∅</span> <span style="font-size:85%;">EMPTY SET</span> como uma string de atalho <kbd style="background:#EEEEEE; letter-spacing:0.05em; padding-left:0.25em; padding-right:0.2em;">%%c</kbd>. </p><p>No <a href="/wiki/Microsoft_Word" title="Microsoft Word">Microsoft Word</a>, o símbolo de diâmetro pode ser obtido digitando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">2</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">3</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">0</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">0</span></small> e, em seguida, pressionando <small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">Alt</span></small>+<small><span class="keyboard-key" style="border: 0.2em solid; border-color: #DDDDDD #BBBBBB #BBBBBB #DDDDDD; padding: 0 0.4em; background: #EEEEEE;">X</span></small>. </p><p>Em <a href="/wiki/LaTeX" title="LaTeX">LaTeX</a>, o símbolo de diâmetro pode ser obtido com o comando <code>\diameter</code> do pacote "wasysym".<sup id="cite_ref-wasysym_7-0" class="reference"><a href="#cite_note-wasysym-7"><span>[</span>7<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Diâmetro_em_relação_ao_raio"><span id="Di.C3.A2metro_em_rela.C3.A7.C3.A3o_ao_raio"></span>Diâmetro em relação ao raio</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit&section=4" title="Editar secção: Diâmetro em relação ao raio" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Di%C3%A2metro&action=edit&section=4" title="Editar código-fonte da secção: Diâmetro em relação ao raio"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>O diâmetro de uma circunferência é exatamente o dobro de seu raio. No entanto, isso é verdade apenas para uma circunferência e apenas na <a href="/wiki/Dist%C3%A2ncia_euclidiana" title="Distância euclidiana">métrica euclidiana</a>. O <a href="/w/index.php?title=Teorema_de_Jung&action=edit&redlink=1" class="new" title="Teorema de Jung (página não existe)">teorema de Jung</a> <small style="font-style:normal; position:relative; top:-0.2em;">[<a href="https://en.wikipedia.org/wiki/Jung%27s_theorem" class="extiw" title="en:Jung's theorem"><span title=""Jung's theorem" na Wikipédia em English">en</span></a>]</small> fornece desigualdades mais gerais relacionando o diâmetro com o raio. </p> <div class="mw-heading mw-heading2"><h2 id="Ver_também"><span id="Ver_tamb.C3.A9m"></span>Ver também</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Di%C3%A2metro&veaction=edit&section=5" title="Editar secção: Ver também" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Di%C3%A2metro&action=edit&section=5" title="Editar código-fonte da secção: Ver também"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Di%C3%A2metro_angular" title="Diâmetro angular">Diâmetro angular</a> – Tamanho aparente de uma esfera ou circunferência</li> <li><a href="/wiki/Paqu%C3%ADmetro" title="Paquímetro">Paquímetro</a>, <a href="/wiki/Micr%C3%B3metro_(instrumento)" title="Micrómetro (instrumento)">micrômetro</a>, ferramentas utilizadas para medir diâmetros</li> <li><a href="/wiki/Erat%C3%B3stenes" title="Eratóstenes">Eratóstenes</a>, quem mediu o diâmetro da <a href="/wiki/Terra" title="Terra">Terra</a> em aproximadamente 240 a.C.</li> <li><a href="/wiki/Dist%C3%A2ncia_(teoria_dos_grafos)" title="Distância (teoria dos grafos)">Distância (teoria dos grafos)</a> – Comprimento do caminho mais curto entre dois nós de um grafo</li> <li><a href="/wiki/Raio_hidr%C3%A1ulico" title="Raio hidráulico">Raio hidráulico</a> – Medida da eficiência do fluxo de um canal</li> <li><a href="/wiki/Tangente" title="Tangente">Retas tangentes a circunferências</a> – Retas que toca uma circunferência em exatamente um ponto</li> <li><a href="/wiki/Comprimento_da_circunfer%C3%AAncia" title="Comprimento da circunferência">Comprimento da circunferência</a> – Perímetro de um círculo ou elipse</li></ul> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.etymonline.com/index.php?term=diameter">«diameter - Origin and meaning of diameter by Online Etymology Dictionary»</a>. <i>www.etymonline.com</i></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.atitle=diameter+-+Origin+and+meaning+of+diameter+by+Online+Etymology+Dictionary&rft.genre=unknown&rft.jtitle=www.etymonline.com&rft_id=http%3A%2F%2Fwww.etymonline.com%2Findex.php%3Fterm%3Ddiameter&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation conference">Toussaint, Godfried T. (1983). «Solving geometric problems with the rotating calipers». In: Protonotarios, E. N.; Stassinopoulos, G. I.; Civalleri, P. P. <i>Proceedings of MELECON '83, Mediterranean Electrotechnical Conference, Athens, Greece, 24–26 May, 1983</i>. IEEE. <a href="/wiki/CiteSeerX" title="CiteSeerX">CiteSeerX</a> <span class="plainlinks"><a rel="nofollow" class="external text" href="//citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.155.5671">10.1.1.155.5671</a><span style="margin-left:0.1em"><span typeof="mw:File"><span title="Acessível livremente"><img alt="Acessível livremente" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png" decoding="async" width="9" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/14px-Lock-green.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/18px-Lock-green.svg.png 2x" data-file-width="512" data-file-height="813" /></span></span></span></span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.atitle=Solving+geometric+problems+with+the+rotating+calipers&rft.aufirst=Godfried+T.&rft.aulast=Toussaint&rft.btitle=Proceedings+of+MELECON+%2783%2C+Mediterranean+Electrotechnical+Conference%2C+Athens%2C+Greece%2C+24%9326+May%2C+1983&rft.date=1983&rft.genre=conference&rft.pub=IEEE&rft_id=%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fsummary%3Fdoi%3D10.1.1.155.5671&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><cite class="citation web">Bogomolny, Alexander. <a rel="nofollow" class="external text" href="http://www.cut-the-knot.org/Curriculum/Geometry/ConjugateDiameters.shtml">«Conjugate Diameters in Ellipse»</a>. <i>www.cut-the-knot.org</i></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.atitle=Conjugate+Diameters+in+Ellipse&rft.aufirst=Alexander&rft.aulast=Bogomolny&rft.genre=unknown&rft.jtitle=www.cut-the-knot.org&rft_id=http%3A%2F%2Fwww.cut-the-knot.org%2FCurriculum%2FGeometry%2FConjugateDiameters.shtml&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://at.yorku.ca/cgi-bin/bbqa?forum=ask_a_topologist_2004;task=show_msg;msg=0860.0002">«Re: diameter of an empty set»</a>. <i>at.yorku.ca</i></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.atitle=Re%3A+diameter+of+an+empty+set&rft.genre=unknown&rft.jtitle=at.yorku.ca&rft_id=http%3A%2F%2Fat.yorku.ca%2Fcgi-bin%2Fbbqa%3Fforum%3Dask_a_topologist_2004%3Btask%3Dshow_msg%3Bmsg%3D0860.0002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><cite class="citation book">Lockwood, E. H. (1961). <i>Book of Curves</i>. Cambridge: Cambridge University Press. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1017%2FCBO9780511569340.002">10.1017/CBO9780511569340.002</a></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.aufirst=E.+H.&rft.aulast=Lockwood&rft.btitle=Book+of+Curves&rft.date=1961&rft.genre=book&rft.place=Cambridge&rft.pub=Cambridge+University+Press&rft_id=info%3Adoi%2F10.1017%2FCBO9780511569340.002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><cite class="citation web">Monniaux, David. <a rel="nofollow" class="external text" href="http://cgit.freedesktop.org/xorg/lib/libX11/plain/nls/en_US.UTF-8/Compose.pre">«UTF-8 (Unicode) compose sequence»</a><span class="reference-accessdate">. Consultado em 13 de julho de 2018</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.aufirst=David&rft.aulast=Monniaux&rft.btitle=UTF-8+%28Unicode%29+compose+sequence&rft.genre=unknown&rft_id=http%3A%2F%2Fcgit.freedesktop.org%2Fxorg%2Flib%2FlibX11%2Fplain%2Fnls%2Fen_US.UTF-8%2FCompose.pre&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-wasysym-7"><span class="mw-cite-backlink"><a href="#cite_ref-wasysym_7-0">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://ctan.org/pkg/wasysym">«wasysym – LaTeX support for the wasy fonts»</a>. <i>Comprehensive TeX Archive Network</i><span class="reference-accessdate">. Consultado em 11 de março de 2022</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3ADi%C3%A2metro&rft.atitle=wasysym+%93+LaTeX+support+for+the+wasy+fonts&rft.genre=unknown&rft.jtitle=Comprehensive+TeX+Archive+Network&rft_id=https%3A%2F%2Fctan.org%2Fpkg%2Fwasysym&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div></div> <div role="navigation" class="navbox" aria-labelledby="Controle_de_autoridade" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Controle_de_autoridade" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Ajuda:Controle_de_autoridade" title="Ajuda:Controle de autoridade">Controle de autoridade</a></th><td class="navbox-list navbox-odd plainlinks" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Wikidata:Main_Page" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span>: <span class="uid"><a href="https://www.wikidata.org/wiki/Q37221" class="extiw" title="wikidata:Q37221">Q37221</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Tesauro_de_Arte_e_Arquitetura" title="Tesauro de Arte e Arquitetura">AAT</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.getty.edu/vow/AATFullDisplay?find=&logic=AND&note=&subjectid=300055624">300055624</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Biblioteca_Nacional_Central_de_Floren%C3%A7a" title="Biblioteca Nacional Central de Florença">BNCF</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://thes.bncf.firenze.sbn.it/termine.php?id=6848">6848</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Grande_Enciclop%C3%A9dia_Sovi%C3%A9tica" title="Grande Enciclopédia Soviética">BRE</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://old.bigenc.ru/text/1954590">1954590</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">EBID</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.britannica.com/topic/diameter-mathematics">ID</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4273067-3">4273067-3</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/N%C3%BAmero_de_controle_da_Biblioteca_do_Congresso" title="Número de controle da Biblioteca do Congresso">LCCN</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh2003001062">sh2003001062</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Enciclop%C3%A9dia_Treccani" title="Enciclopédia Treccani">Treccani</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.treccani.it/enciclopedia/diametro">diametro</a></span></span></span></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtida de "<a dir="ltr" href="https://pt.wikipedia.org/w/index.php?title=Diâmetro&oldid=67906719">https://pt.wikipedia.org/w/index.php?title=Diâmetro&oldid=67906719</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categorias</a>: <ul><li><a href="/wiki/Categoria:C%C3%ADrculos" title="Categoria:Círculos">Círculos</a></li><li><a href="/wiki/Categoria:Comprimento" title="Categoria:Comprimento">Comprimento</a></li><li><a href="/wiki/Categoria:Desenho_geom%C3%A9trico" title="Categoria:Desenho geométrico">Desenho geométrico</a></li><li><a href="/wiki/Categoria:Geometria_elementar" title="Categoria:Geometria elementar">Geometria elementar</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categoria oculta: <ul><li><a href="/wiki/Categoria:!P%C3%A1ginas_com_erros_no_destaque_de_sintaxe" title="Categoria:!Páginas com erros no destaque de sintaxe">!Páginas com erros no destaque de sintaxe</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Esta página foi editada pela última vez às 18h08min de 7 de maio de 2024.</li> <li id="footer-info-copyright">Este texto é disponibilizado nos termos da licença <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt">Atribuição-CompartilhaIgual 4.0 Internacional (CC BY-SA 4.0) da Creative Commons</a>; pode estar sujeito a condições adicionais. Para mais detalhes, consulte as <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">condições de utilização</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/pt-br">Política de privacidade</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:Sobre">Sobre a Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Aviso_geral">Avisos gerais</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Código de conduta</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Programadores</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/pt.wikipedia.org">Estatísticas</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Declaração sobre ''cookies''</a></li> <li id="footer-places-mobileview"><a href="//pt.m.wikipedia.org/w/index.php?title=Di%C3%A2metro&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Versão móvel</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-fkn9p","wgBackendResponseTime":176,"wgPageParseReport":{"limitreport":{"cputime":"0.421","walltime":"0.868","ppvisitednodes":{"value":2894,"limit":1000000},"postexpandincludesize":{"value":36741,"limit":2097152},"templateargumentsize":{"value":2350,"limit":2097152},"expansiondepth":{"value":23,"limit":100},"expensivefunctioncount":{"value":10,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":9578,"limit":5000000},"entityaccesscount":{"value":8,"limit":400},"timingprofile":["100.00% 687.031 1 -total"," 43.30% 297.510 1 Predefinição:Controle_de_autoridade"," 20.22% 138.892 3 Predefinição:Unichar"," 18.14% 124.634 3 Predefinição:Unichar/main"," 15.45% 106.178 1 Predefinição:Referências"," 8.72% 59.934 5 Predefinição:Citar_web"," 6.52% 44.825 1 Predefinição:Âncora"," 5.68% 39.006 3 Predefinição:Nowrap"," 5.23% 35.938 4 Predefinição:Mono"," 4.61% 31.696 1 Predefinição:Code"]},"scribunto":{"limitreport-timeusage":{"value":"0.221","limit":"10.000"},"limitreport-memusage":{"value":7144028,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-75bcdb9b47-sf2hx","timestamp":"20241101141552","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Di\u00e2metro","url":"https:\/\/pt.wikipedia.org\/wiki\/Di%C3%A2metro","sameAs":"http:\/\/www.wikidata.org\/entity\/Q37221","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q37221","author":{"@type":"Organization","name":"Contribuidores dos projetos da Wikimedia"},"publisher":{"@type":"Organization","name":"Funda\u00e7\u00e3o Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-07-11T01:34:22Z","dateModified":"2024-05-07T18:08:38Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/0\/03\/Circle-withsegments.svg","headline":"segmento de reta que toca uma circunfer\u00eancia em dois pontos e passa pelo seu centro"}</script> </body> </html>