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mw-hide-empty-elt ns-0 ns-subject mw-editable page-Ongl rootpage-Ongl skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Neidio i'r cynnwys</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="Safle"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Prif ddewislen" > <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="Prif ddewislen" > <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 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data-event-name="pinnable-header.vector-main-menu.unpin">cuddio</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Llywio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hafan" title="Ymweld â'r Hafan [z]" accesskey="z"><span>Hafan</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wicipedia:Porth_y_Gymuned" title="Pethau i'w gwneud, adnoddau a thudalennau'r gymuned"><span>Porth y Gymuned</span></a></li><li id="n-cafe" class="mw-list-item"><a href="/wiki/Wicipedia:Y_Caffi"><span>Y Caffi</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Categori:Materion_cyfoes" title="Gwybodaeth yn gysylltiedig â materion cyfoes"><span>Materion cyfoes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Arbennig:RecentChanges" title="Rhestr y newidiadau diweddar ar y wici. [r]" accesskey="r"><span>Newidiadau diweddar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Arbennig:Random" title="Llwytho tudalen ar hap [x]" accesskey="x"><span>Erthygl ar hap</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wicipedia:Cymorth" title="Tudalennau cymorth"><span>Cymorth</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages"><span>Tudalennau arbennig</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hafan" 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="Wicipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-cy.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-cy.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/Arbennig:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Chwilio Wicipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Chwilio</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="Chwilio Wicipedia" aria-label="Chwilio Wicipedia" autocapitalize="sentences" title="Chwilio Wicipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Arbennig:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Chwilio</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Offer personol"> <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="Gwedd"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Newidiwch ymddangosiad maint ffont, lled a lliw y dudalen" > <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="Gwedd" > <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">Gwedd</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="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=cy.wikipedia.org&uselang=cy" class=""><span>Rhoi</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=Arbennig:CreateAccount&returnto=Ongl" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol" class=""><span>Creu cyfrif</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=Arbennig:UserLogin&returnto=Ongl" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. 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Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&returnto=Ongl" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Mewngofnodi</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"> Tudalennau ar gyfer golygyddion allgofnodedig <a href="/wiki/Cymorth:Cyflwyniad" aria-label="Dysgu mwy am olygu"><span>dysgu mwy</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Arbennig:MyTalk" title="Sgwrs ynglŷn â golygiadau o'r cyfeiriad IP hwn [n]" accesskey="n"><span>Sgwrs</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> </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="Safle"> <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="Cynnwys" 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">Cynnwys</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">cuddio</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">Y dechrau</div> </a> </li> <li id="toc-Mathau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mathau"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Mathau</span> </div> </a> <ul id="toc-Mathau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hanes_ac_etymoleg" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hanes_ac_etymoleg"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Hanes ac etymoleg</span> </div> </a> <ul id="toc-Hanes_ac_etymoleg-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Adnabod_onglau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Adnabod_onglau"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Adnabod onglau</span> </div> </a> <ul id="toc-Adnabod_onglau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mathau_o_onglau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mathau_o_onglau"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Mathau o onglau</span> </div> </a> <button aria-controls="toc-Mathau_o_onglau-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>Toglo is-adran Mathau o onglau</span> </button> <ul id="toc-Mathau_o_onglau-sublist" class="vector-toc-list"> <li id="toc-Parau_o_onglau_cywerth" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Parau_o_onglau_cywerth"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Parau o onglau cywerth</span> </div> </a> <ul id="toc-Parau_o_onglau_cywerth-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Parau_ongl_fertigol_a_chyfagos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Parau_ongl_fertigol_a_chyfagos"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Parau ongl fertigol a chyfagos</span> </div> </a> <ul id="toc-Parau_ongl_fertigol_a_chyfagos-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cyfuno_parau_o_onglau" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Cyfuno_parau_o_onglau"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Cyfuno parau o onglau</span> </div> </a> <ul id="toc-Cyfuno_parau_o_onglau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Onglau_sy'n_gysylltiedig_â_pholygon" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Onglau_sy'n_gysylltiedig_â_pholygon"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Onglau sy'n gysylltiedig â pholygon</span> </div> </a> <ul id="toc-Onglau_sy'n_gysylltiedig_â_pholygon-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Mesur_onglau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mesur_onglau"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Mesur onglau</span> </div> </a> <button aria-controls="toc-Mesur_onglau-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>Toglo is-adran Mesur onglau</span> </button> <ul id="toc-Mesur_onglau-sublist" class="vector-toc-list"> <li id="toc-Unedau" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Unedau"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Unedau</span> </div> </a> <ul id="toc-Unedau-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Onglau_rhwng_cromliniau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Onglau_rhwng_cromliniau"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Onglau rhwng cromliniau</span> </div> </a> <ul id="toc-Onglau_rhwng_cromliniau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cyfeiriadau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cyfeiriadau"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Cyfeiriadau</span> </div> </a> <ul id="toc-Cyfeiriadau-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="Cynnwys" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Tabl Cynnwys" > <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="Toglo'r tabl cynnwys" > <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">Toglo'r tabl cynnwys</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">Ongl</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="Ewch i erthygl mewn iaith arall. Ar gael mewn 141 iaith" > <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-141" 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">141 iaith</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/Hoek_(meetkunde)" title="Hoek (meetkunde) - Affricaneg" lang="af" hreflang="af" data-title="Hoek (meetkunde)" data-language-autonym="Afrikaans" data-language-local-name="Affricaneg" 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/Winkel_(Geometrie)" title="Winkel (Geometrie) - Almaeneg y Swistir" lang="gsw" hreflang="gsw" data-title="Winkel (Geometrie)" data-language-autonym="Alemannisch" data-language-local-name="Almaeneg y Swistir" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Anglo" title="Anglo - Aragoneg" lang="an" hreflang="an" data-title="Anglo" data-language-autonym="Aragonés" data-language-local-name="Aragoneg" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%D9%8A%D8%A9_(%D9%87%D9%86%D8%AF%D8%B3%D8%A9)" title="زاوية (هندسة) - Arabeg" lang="ar" hreflang="ar" data-title="زاوية (هندسة)" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arc mw-list-item"><a href="https://arc.wikipedia.org/wiki/%DC%99%DC%98%DC%9D%DC%AC%DC%90_(%DC%A1%DC%9A%DC%AA%DC%98%DC%AC%DC%90)" title="ܙܘܝܬܐ (ܡܚܪܘܬܐ) - Aramaeg" lang="arc" hreflang="arc" data-title="ܙܘܝܬܐ (ܡܚܪܘܬܐ)" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="Aramaeg" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%D9%8A%D8%A9" title="زاوية - Arabeg Moroco" lang="ary" hreflang="ary" data-title="زاوية" data-language-autonym="الدارجة" data-language-local-name="Arabeg Moroco" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%D9%8A%D9%87_(%D9%87%D9%86%D8%AF%D8%B3%D9%87)" title="زاويه (هندسه) - Arabeg yr Aifft" lang="arz" hreflang="arz" data-title="زاويه (هندسه)" data-language-autonym="مصرى" data-language-local-name="Arabeg yr Aifft" 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%95%E0%A7%8B%E0%A6%A3" title="কোণ - Asameg" lang="as" hreflang="as" data-title="কোণ" data-language-autonym="অসমীয়া" data-language-local-name="Asameg" 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/%C3%81ngulu" title="Ángulu - Astwrianeg" lang="ast" hreflang="ast" data-title="Ángulu" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-ay mw-list-item"><a href="https://ay.wikipedia.org/wiki/K%27uchu" title="K'uchu - Aymareg" lang="ay" hreflang="ay" data-title="K'uchu" data-language-autonym="Aymar aru" data-language-local-name="Aymareg" class="interlanguage-link-target"><span>Aymar aru</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Bucaq" title="Bucaq - Aserbaijaneg" lang="az" hreflang="az" data-title="Bucaq" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaijaneg" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A2%DA%86%DB%8C" title="آچی - South Azerbaijani" lang="azb" hreflang="azb" data-title="آچی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9C%D3%A9%D0%B9%D3%A9%D1%88" title="Мөйөш - Bashcorteg" lang="ba" hreflang="ba" data-title="Мөйөш" data-language-autonym="Башҡортса" data-language-local-name="Bashcorteg" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Komps" title="Komps - Samogiteg" lang="sgs" hreflang="sgs" data-title="Komps" data-language-autonym="Žemaitėška" data-language-local-name="Samogiteg" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Anggulo" title="Anggulo - Central Bikol" lang="bcl" hreflang="bcl" data-title="Anggulo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%92%D1%83%D0%B3%D0%B0%D0%BB" title="Вугал - Belarwseg" lang="be" hreflang="be" data-title="Вугал" data-language-autonym="Беларуская" data-language-local-name="Belarwseg" 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%9A%D1%83%D1%82" title="Кут - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Кут" 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%AA%D0%B3%D1%8A%D0%BB" title="Ъгъл - Bwlgareg" lang="bg" hreflang="bg" data-title="Ъгъл" data-language-autonym="Български" data-language-local-name="Bwlgareg" 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%95%E0%A7%8B%E0%A6%A3" title="কোণ - Bengaleg" lang="bn" hreflang="bn" data-title="কোণ" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Korn_(mentoniezh)" title="Korn (mentoniezh) - Llydaweg" lang="br" hreflang="br" data-title="Korn (mentoniezh)" data-language-autonym="Brezhoneg" data-language-local-name="Llydaweg" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Ugao" title="Ugao - Bosnieg" lang="bs" hreflang="bs" data-title="Ugao" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D2%AE%D0%BD%D1%81%D1%8D%D0%B3" title="Үнсэг - Russia Buriat" lang="bxr" hreflang="bxr" data-title="Үнсэг" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Angle" title="Angle - Catalaneg" lang="ca" hreflang="ca" data-title="Angle" data-language-autonym="Català" data-language-local-name="Catalaneg" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8E%A4%E1%8F%9C%E1%8F%85%E1%8F%9B_%E1%8E%A4%E1%8F%9E%E1%8F%B4%E1%8F%8D%E1%8F%9B" title="ᎤᏜᏅᏛ ᎤᏞᏴᏍᏛ - Tsierocî" lang="chr" hreflang="chr" data-title="ᎤᏜᏅᏛ ᎤᏞᏴᏍᏛ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="Tsierocî" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%AF%DB%86%D8%B4%DB%95" title="گۆشە - Cwrdeg Sorani" lang="ckb" hreflang="ckb" data-title="گۆشە" data-language-autonym="کوردی" data-language-local-name="Cwrdeg Sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-crh mw-list-item"><a href="https://crh.wikipedia.org/wiki/Muyu%C5%9F" title="Muyuş - Tyrceg y Crimea" lang="crh" hreflang="crh" data-title="Muyuş" data-language-autonym="Qırımtatarca" data-language-local-name="Tyrceg y Crimea" class="interlanguage-link-target"><span>Qırımtatarca</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/%C3%9Ahel" title="Úhel - Tsieceg" lang="cs" hreflang="cs" data-title="Úhel" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D1%AA%D0%B3%D1%8A%D0%BB%D1%8A" title="Ѫгълъ - Hen Slafoneg" lang="cu" hreflang="cu" data-title="Ѫгълъ" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="Hen Slafoneg" class="interlanguage-link-target"><span>Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9A%C4%95%D1%82%D0%B5%D1%81" title="Кĕтес - Tshwfasheg" lang="cv" hreflang="cv" data-title="Кĕтес" data-language-autonym="Чӑвашла" data-language-local-name="Tshwfasheg" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Vinkel" title="Vinkel - Daneg" lang="da" hreflang="da" data-title="Vinkel" data-language-autonym="Dansk" data-language-local-name="Daneg" 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/Winkel" title="Winkel - Almaeneg" lang="de" hreflang="de" data-title="Winkel" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" 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%93%CF%89%CE%BD%CE%AF%CE%B1" title="Γωνία - Groeg" lang="el" hreflang="el" data-title="Γωνία" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" 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/Angle" title="Angle - Saesneg" lang="en" hreflang="en" data-title="Angle" data-language-autonym="English" data-language-local-name="Saesneg" 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/Angulo" title="Angulo - Esperanto" lang="eo" hreflang="eo" data-title="Angulo" 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/%C3%81ngulo" title="Ángulo - Sbaeneg" lang="es" hreflang="es" data-title="Ángulo" data-language-autonym="Español" data-language-local-name="Sbaeneg" 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/Nurk" title="Nurk - Estoneg" lang="et" hreflang="et" data-title="Nurk" data-language-autonym="Eesti" data-language-local-name="Estoneg" 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/Angelu_(geometria)" title="Angelu (geometria) - Basgeg" lang="eu" hreflang="eu" data-title="Angelu (geometria)" data-language-autonym="Euskara" data-language-local-name="Basgeg" 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/%D8%B2%D8%A7%D9%88%DB%8C%D9%87" title="زاویه - Perseg" lang="fa" hreflang="fa" data-title="زاویه" data-language-autonym="فارسی" data-language-local-name="Perseg" 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/Kulma" title="Kulma - Ffinneg" lang="fi" hreflang="fi" data-title="Kulma" data-language-autonym="Suomi" data-language-local-name="Ffinneg" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Tutuni" title="Tutuni - Ffijïeg" lang="fj" hreflang="fj" data-title="Tutuni" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="Ffijïeg" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Angle" title="Angle - Ffrangeg" lang="fr" hreflang="fr" data-title="Angle" data-language-autonym="Français" data-language-local-name="Ffrangeg" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Winkel" title="Winkel - Ffriseg Gogleddol" lang="frr" hreflang="frr" data-title="Winkel" data-language-autonym="Nordfriisk" data-language-local-name="Ffriseg Gogleddol" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Uillinn_(matamaitic)" title="Uillinn (matamaitic) - Gwyddeleg" lang="ga" hreflang="ga" data-title="Uillinn (matamaitic)" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E8%A7%92" title="角 - Gan" lang="gan" hreflang="gan" data-title="角" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Ang" title="Ang - Guianan Creole" lang="gcr" hreflang="gcr" data-title="Ang" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Ce%C3%A0rn_(Matamataig)" title="Ceàrn (Matamataig) - Gaeleg yr Alban" lang="gd" hreflang="gd" data-title="Ceàrn (Matamataig)" data-language-autonym="Gàidhlig" data-language-local-name="Gaeleg yr Alban" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/%C3%81ngulo" title="Ángulo - Galisieg" lang="gl" hreflang="gl" data-title="Ángulo" data-language-autonym="Galego" data-language-local-name="Galisieg" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Takamby" title="Takamby - Guaraní" lang="gn" hreflang="gn" data-title="Takamby" data-language-autonym="Avañe'ẽ" data-language-local-name="Guaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%96%D7%95%D7%95%D7%99%D7%AA" title="זווית - Hebraeg" lang="he" hreflang="he" data-title="זווית" data-language-autonym="עברית" data-language-local-name="Hebraeg" 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%95%E0%A5%8B%E0%A4%A3" title="कोण - Hindi" lang="hi" hreflang="hi" data-title="कोण" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Angle" title="Angle - Fiji Hindi" lang="hif" hreflang="hif" data-title="Angle" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Kut" title="Kut - Croateg" lang="hr" hreflang="hr" data-title="Kut" data-language-autonym="Hrvatski" data-language-local-name="Croateg" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Ang" title="Ang - Creol Haiti" lang="ht" hreflang="ht" data-title="Ang" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Creol Haiti" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Sz%C3%B6g" title="Szög - Hwngareg" lang="hu" hreflang="hu" data-title="Szög" data-language-autonym="Magyar" data-language-local-name="Hwngareg" 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/%D4%B1%D5%B6%D5%AF%D5%B5%D5%B8%D6%82%D5%B6" title="Անկյուն - Armeneg" lang="hy" hreflang="hy" data-title="Անկյուն" data-language-autonym="Հայերեն" data-language-local-name="Armeneg" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D4%B1%D5%B6%D5%AF%D5%AB%D6%82%D5%B6" title="Անկիւն - Western Armenian" lang="hyw" hreflang="hyw" data-title="Անկիւն" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Angulo" title="Angulo - Interlingua" lang="ia" hreflang="ia" data-title="Angulo" data-language-autonym="Interlingua" data-language-local-name="Interlingua" 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/Sudut_(geometri)" title="Sudut (geometri) - Indoneseg" lang="id" hreflang="id" data-title="Sudut (geometri)" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Anggulo" title="Anggulo - Ilocaneg" lang="ilo" hreflang="ilo" data-title="Anggulo" data-language-autonym="Ilokano" data-language-local-name="Ilocaneg" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Angulo" title="Angulo - Ido" lang="io" hreflang="io" data-title="Angulo" 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/Horn_(r%C3%BAmfr%C3%A6%C3%B0i)" title="Horn (rúmfræði) - Islandeg" lang="is" hreflang="is" data-title="Horn (rúmfræði)" data-language-autonym="Íslenska" data-language-local-name="Islandeg" 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/Angolo" title="Angolo - Eidaleg" lang="it" hreflang="it" data-title="Angolo" data-language-autonym="Italiano" data-language-local-name="Eidaleg" 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/%E8%A7%92%E5%BA%A6" title="角度 - Japaneeg" lang="ja" hreflang="ja" data-title="角度" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Hanggl" title="Hanggl - Jamaican Creole English" lang="jam" hreflang="jam" data-title="Hanggl" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%A3%E1%83%97%E1%83%AE%E1%83%94" title="კუთხე - Georgeg" lang="ka" hreflang="ka" data-title="კუთხე" data-language-autonym="ქართული" data-language-local-name="Georgeg" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbd mw-list-item"><a href="https://kbd.wikipedia.org/wiki/%D0%9F%D0%BB%D3%80%D0%B0%D0%BD%D1%8D%D0%BF%D1%8D" title="ПлӀанэпэ - Cabardieg" lang="kbd" hreflang="kbd" data-title="ПлӀанэпэ" data-language-autonym="Адыгэбзэ" data-language-local-name="Cabardieg" class="interlanguage-link-target"><span>Адыгэбзэ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%91%D2%B1%D1%80%D1%8B%D1%88_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%8F)" title="Бұрыш (геометрия) - Casacheg" lang="kk" hreflang="kk" data-title="Бұрыш (геометрия)" data-language-autonym="Қазақша" data-language-local-name="Casacheg" 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%98%E1%9E%BB%E1%9F%86" title="មុំ - Chmereg" lang="km" hreflang="km" data-title="មុំ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Chmereg" 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%95%E0%B3%8B%E0%B2%A8" title="ಕೋನ - Kannada" lang="kn" hreflang="kn" data-title="ಕೋನ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" 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/%EA%B0%81_(%EC%88%98%ED%95%99)" title="각 (수학) - Coreeg" lang="ko" hreflang="ko" data-title="각 (수학)" data-language-autonym="한국어" data-language-local-name="Coreeg" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Hoke" title="Hoke - Cwrdeg" lang="ku" hreflang="ku" data-title="Hoke" data-language-autonym="Kurdî" data-language-local-name="Cwrdeg" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Angle" title="Angle - Cernyweg" lang="kw" hreflang="kw" data-title="Angle" data-language-autonym="Kernowek" data-language-local-name="Cernyweg" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D1%83%D1%80%D1%87" title="Бурч - Cirgiseg" lang="ky" hreflang="ky" data-title="Бурч" data-language-autonym="Кыргызча" data-language-local-name="Cirgiseg" 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/Angulus" title="Angulus - Lladin" lang="la" hreflang="la" data-title="Angulus" data-language-autonym="Latina" data-language-local-name="Lladin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Hook" title="Hook - Limbwrgeg" lang="li" hreflang="li" data-title="Hook" data-language-autonym="Limburgs" data-language-local-name="Limbwrgeg" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Angol" title="Angol - Lombardeg" lang="lmo" hreflang="lmo" data-title="Angol" data-language-autonym="Lombard" data-language-local-name="Lombardeg" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/Lit%C3%BAmu" title="Litúmu - Lingala" lang="ln" hreflang="ln" data-title="Litúmu" data-language-autonym="Lingála" data-language-local-name="Lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kampas" title="Kampas - Lithwaneg" lang="lt" hreflang="lt" data-title="Kampas" data-language-autonym="Lietuvių" data-language-local-name="Lithwaneg" 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/Le%C5%86%C4%B7is" title="Leņķis - Latfieg" lang="lv" hreflang="lv" data-title="Leņķis" data-language-autonym="Latviešu" data-language-local-name="Latfieg" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%A3%D0%B6%D0%B5%D1%81%D1%8C" title="Ужесь - Mocsia" lang="mdf" hreflang="mdf" data-title="Ужесь" data-language-autonym="Мокшень" data-language-local-name="Mocsia" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Zoro_(je%C3%B4metria)" title="Zoro (jeômetria) - Malagaseg" lang="mg" hreflang="mg" data-title="Zoro (jeômetria)" data-language-autonym="Malagasy" data-language-local-name="Malagaseg" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/%D0%9B%D1%83%D0%BA" title="Лук - Eastern Mari" lang="mhr" hreflang="mhr" data-title="Лук" data-language-autonym="Олык марий" data-language-local-name="Eastern Mari" class="interlanguage-link-target"><span>Олык марий</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%90%D0%B3%D0%BE%D0%BB" title="Агол - Macedoneg" lang="mk" hreflang="mk" data-title="Агол" data-language-autonym="Македонски" data-language-local-name="Macedoneg" 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%95%E0%B5%8B%E0%B5%BA" title="കോൺ - Malayalam" lang="ml" hreflang="ml" data-title="കോൺ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" 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/%D3%A8%D0%BD%D1%86%D3%A9%D0%B3_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80)" title="Өнцөг (геометр) - Mongoleg" lang="mn" hreflang="mn" data-title="Өнцөг (геометр)" data-language-autonym="Монгол" data-language-local-name="Mongoleg" 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%95%E0%A5%8B%E0%A4%A8" title="कोन - Marathi" lang="mr" hreflang="mr" data-title="कोन" data-language-autonym="मराठी" data-language-local-name="Marathi" 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/Sudut" title="Sudut - Maleieg" lang="ms" hreflang="ms" data-title="Sudut" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" 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%91%E1%80%B1%E1%80%AC%E1%80%84%E1%80%B7%E1%80%BA" title="ထောင့် - Byrmaneg" lang="my" hreflang="my" data-title="ထောင့်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Byrmaneg" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%A3%D0%B6%D0%BE" title="Ужо - Erzya" lang="myv" hreflang="myv" data-title="Ужо" data-language-autonym="Эрзянь" data-language-local-name="Erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%D8%B3%D9%88%DA%A9(%D9%87%D9%86%D9%91%D8%B3%D9%87)" title="سوک(هنّسه) - Masanderani" lang="mzn" hreflang="mzn" data-title="سوک(هنّسه)" data-language-autonym="مازِرونی" data-language-local-name="Masanderani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Winkel_(Geometrie)" title="Winkel (Geometrie) - Almaeneg Isel" lang="nds" hreflang="nds" data-title="Winkel (Geometrie)" data-language-autonym="Plattdüütsch" data-language-local-name="Almaeneg Isel" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%95%E0%A5%8B%E0%A4%A3" title="कोण - Nepaleg" lang="ne" hreflang="ne" data-title="कोण" data-language-autonym="नेपाली" data-language-local-name="Nepaleg" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%95%E0%A5%81%E0%A4%82" title="कुं - Newaeg" lang="new" hreflang="new" data-title="कुं" data-language-autonym="नेपाल भाषा" data-language-local-name="Newaeg" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Hoek_(meetkunde)" title="Hoek (meetkunde) - Iseldireg" lang="nl" hreflang="nl" data-title="Hoek (meetkunde)" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" 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/Vinkel" title="Vinkel - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="Vinkel" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg 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/Vinkel" title="Vinkel - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="Vinkel" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nqo mw-list-item"><a href="https://nqo.wikipedia.org/wiki/%DF%9E%DF%8B%DF%B2%DF%9B%DF%90%DF%B2" title="ߞߋ߲ߛߐ߲ - N’Ko" lang="nqo" hreflang="nqo" data-title="ߞߋ߲ߛߐ߲" data-language-autonym="ߒߞߏ" data-language-local-name="N’Ko" class="interlanguage-link-target"><span>ߒߞߏ</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Angle" title="Angle - Ocsitaneg" lang="oc" hreflang="oc" data-title="Angle" data-language-autonym="Occitan" data-language-local-name="Ocsitaneg" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A9%8B%E0%A8%A8" title="ਕੋਨ - Pwnjabeg" lang="pa" hreflang="pa" data-title="ਕੋਨ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Pwnjabeg" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/K%C4%85t" title="Kąt - Pwyleg" lang="pl" hreflang="pl" data-title="Kąt" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/%C3%80ngol" title="Àngol - Piedmonteg" lang="pms" hreflang="pms" data-title="Àngol" data-language-autonym="Piemontèis" data-language-local-name="Piedmonteg" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%DB%8C%DB%81" title="زاویہ - Western Punjabi" lang="pnb" hreflang="pnb" data-title="زاویہ" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%B2%D8%A7%D9%88%D9%8A%D9%87" title="زاويه - Pashto" lang="ps" hreflang="ps" data-title="زاويه" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/%C3%82ngulo" title="Ângulo - Portiwgaleg" lang="pt" hreflang="pt" data-title="Ângulo" data-language-autonym="Português" data-language-local-name="Portiwgaleg" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Chhuka" title="Chhuka - Quechua" lang="qu" hreflang="qu" data-title="Chhuka" data-language-autonym="Runa Simi" data-language-local-name="Quechua" 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/Unghi" title="Unghi - Rwmaneg" lang="ro" hreflang="ro" data-title="Unghi" data-language-autonym="Română" data-language-local-name="Rwmaneg" 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%A3%D0%B3%D0%BE%D0%BB" title="Угол - Rwseg" lang="ru" hreflang="ru" data-title="Угол" data-language-autonym="Русский" data-language-local-name="Rwseg" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9C%D1%83%D0%BD%D0%BD%D1%83%D0%BA" title="Муннук - Sakha" lang="sah" hreflang="sah" data-title="Муннук" data-language-autonym="Саха тыла" data-language-local-name="Sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/%C3%80nculu" title="Ànculu - Sisileg" lang="scn" hreflang="scn" data-title="Ànculu" data-language-autonym="Sicilianu" data-language-local-name="Sisileg" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Ugao" title="Ugao - Serbo-Croateg" lang="sh" hreflang="sh" data-title="Ugao" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croateg" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%9D%E0%B6%AB%E0%B6%BA" title="කෝණය - Sinhaleg" lang="si" hreflang="si" data-title="කෝණය" data-language-autonym="සිංහල" data-language-local-name="Sinhaleg" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Angle" title="Angle - Simple English" lang="en-simple" hreflang="en-simple" data-title="Angle" 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/Uhol" title="Uhol - Slofaceg" lang="sk" hreflang="sk" data-title="Uhol" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" 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/Kot" title="Kot - Slofeneg" lang="sl" hreflang="sl" data-title="Kot" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" 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/Gonyo" title="Gonyo - Shona" lang="sn" hreflang="sn" data-title="Gonyo" 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/Xagal" title="Xagal - Somaleg" lang="so" hreflang="so" data-title="Xagal" data-language-autonym="Soomaaliga" data-language-local-name="Somaleg" 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/K%C3%ABndi" title="Këndi - Albaneg" lang="sq" hreflang="sq" data-title="Këndi" data-language-autonym="Shqip" data-language-local-name="Albaneg" 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%A3%D0%B3%D0%B0%D0%BE" title="Угао - Serbeg" lang="sr" hreflang="sr" data-title="Угао" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Juru_(%C3%A9lmu_ukur)" title="Juru (élmu ukur) - Swndaneg" lang="su" hreflang="su" data-title="Juru (élmu ukur)" data-language-autonym="Sunda" data-language-local-name="Swndaneg" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Vinkel" title="Vinkel - Swedeg" lang="sv" hreflang="sv" data-title="Vinkel" data-language-autonym="Svenska" data-language-local-name="Swedeg" 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/Pembe_(jiometria)" title="Pembe (jiometria) - Swahili" lang="sw" hreflang="sw" data-title="Pembe (jiometria)" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%8B%E0%AE%A3%E0%AE%AE%E0%AF%8D" title="கோணம் - Tamileg" lang="ta" hreflang="ta" data-title="கோணம்" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" 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%95%E0%B1%8B%E0%B0%A3%E0%B0%82" title="కోణం - Telugu" lang="te" hreflang="te" data-title="కోణం" 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%9A%D1%83%D0%BD%D2%B7" title="Кунҷ - Tajiceg" lang="tg" hreflang="tg" data-title="Кунҷ" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajiceg" 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%B8%A1%E0%B8%B8%E0%B8%A1" title="มุม - Thai" lang="th" hreflang="th" data-title="มุม" data-language-autonym="ไทย" data-language-local-name="Thai" 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/Anggulo" title="Anggulo - Tagalog" lang="tl" hreflang="tl" data-title="Anggulo" data-language-autonym="Tagalog" data-language-local-name="Tagalog" 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/A%C3%A7%C4%B1" title="Açı - Tyrceg" lang="tr" hreflang="tr" data-title="Açı" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" 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%9F%D0%BE%D1%87%D0%BC%D0%B0%D0%BA" title="Почмак - Tatareg" lang="tt" hreflang="tt" data-title="Почмак" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatareg" 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%9A%D1%83%D1%82" title="Кут - Wcreineg" lang="uk" hreflang="uk" data-title="Кут" data-language-autonym="Українська" data-language-local-name="Wcreineg" 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/%D8%B2%D8%A7%D9%88%DB%8C%DB%81" title="زاویہ - Wrdw" lang="ur" hreflang="ur" data-title="زاویہ" data-language-autonym="اردو" data-language-local-name="Wrdw" 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/Burchak" title="Burchak - Wsbeceg" lang="uz" hreflang="uz" data-title="Burchak" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Wsbeceg" 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/G%C3%B3c" title="Góc - Fietnameg" lang="vi" hreflang="vi" data-title="Góc" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" 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/Anggulo" title="Anggulo - Winarayeg" lang="war" hreflang="war" data-title="Anggulo" data-language-autonym="Winaray" data-language-local-name="Winarayeg" 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/%E8%A7%92" title="角 - Wu Tsieineaidd" lang="wuu" hreflang="wuu" data-title="角" data-language-autonym="吴语" data-language-local-name="Wu Tsieineaidd" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%99%E1%83%A3%E1%83%9C%E1%83%97%E1%83%AE%E1%83%A3" title="კუნთხუ - Mingrelian" lang="xmf" hreflang="xmf" data-title="კუნთხუ" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%95%D7%95%D7%99%D7%A0%D7%A7%D7%9C" title="ווינקל - Iddew-Almaeneg" lang="yi" hreflang="yi" data-title="ווינקל" data-language-autonym="ייִדיש" data-language-local-name="Iddew-Almaeneg" 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/%E8%A7%92" title="角 - Tsieinëeg" lang="zh" hreflang="zh" data-title="角" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E8%A7%92" title="角 - Literary Chinese" lang="lzh" hreflang="lzh" data-title="角" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Kak-t%C5%8D%CD%98" title="Kak-tō͘ - Minnan" lang="nan" hreflang="nan" data-title="Kak-tō͘" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" 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/%E8%A7%92_(%E5%B9%BE%E4%BD%95)" title="角 (幾何) - Cantoneeg" lang="yue" hreflang="yue" data-title="角 (幾何)" data-language-autonym="粵語" data-language-local-name="Cantoneeg" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Ingoni" title="Ingoni - Swlw" lang="zu" hreflang="zu" data-title="Ingoni" data-language-autonym="IsiZulu" data-language-local-name="Swlw" class="interlanguage-link-target"><span>IsiZulu</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/Q11352#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</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="Parthau"> <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/Ongl" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sgwrs:Ongl&action=edit&redlink=1" rel="discussion" class="new" title="Sgwrsio am y dudalen (nid yw'r dudalen yn bodoli) [t]" accesskey="t"><span>Sgwrs</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="Newid amrywiad iaith" > <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">Cymraeg</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="Golygon"> <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/Ongl"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ongl&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ongl&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ongl&action=history" title="Fersiynau cynt o'r dudalen hon. 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sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/Ongl" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Ongl&oldid=11023243" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Ongl&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=Ongl&id=11023243&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FOngl"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FOngl"><span>Lawrlwytho cod 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"> Argraffu / allforio </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=Arbennig:Book&bookcmd=book_creator&referer=Ongl"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=Ongl&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Ongl&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</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"> Mewn prosiectau eraill </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/Category:Angles_(geometry)" hreflang="en"><span>Comin Wikimedia</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/Q11352" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</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="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <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">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</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">Oddi ar Wicipedia</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="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>Ongl</caption><tbody><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:Coord_Angle.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Coord_Angle.svg/220px-Coord_Angle.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Coord_Angle.svg/330px-Coord_Angle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/Coord_Angle.svg/440px-Coord_Angle.svg.png 2x" data-file-width="360" data-file-height="360" /></a></span></td></tr><tr><th scope="row">Math</th><td>geometric object, two-dimensional object <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11352?uselang=cy#P279" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Yn cynnwys</th><td>angular measure <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11352?uselang=cy#P527" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><span title="Tudalen Comin"><img alt="Tudalen Comin" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Angles_(geometry)" class="extiw" title="commons:Category:Angles (geometry)">Ffeiliau perthnasol ar Gomin Wicimedia</a></td></tr></tbody></table> <p>Mewn <a href="/wiki/Geometreg_Euclidaidd" title="Geometreg Euclidaidd">geometreg Ewclidaidd</a>, <b>ongl</b> yw'r ffigur a ffurfir gan ddwy <a href="/wiki/Llinell" title="Llinell">linell</a>, o'r enw <i>ochrau'r</i> ongl, sy'n rhannu pwynt terfyn cyffredin, a elwir yn <i><a href="/w/index.php?title=Vertex_(geometreg)&action=edit&redlink=1" class="new" title="Vertex (geometreg) (nid yw'r dudalen yn bodoli)">fertig</a></i> yr ongl.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Mae onglau a ffurfiwyd gan ddau belydr (neu ddwy linell) yn gorwedd yn y <a href="/wiki/Pl%C3%A2n_geometraidd" title="Plân geometraidd">plân</a> sy'n cynnwys y llinellau. Ffurfir onglau hefyd trwy groesdorri dau <a href="/wiki/Pl%C3%A2n_geometraidd" title="Plân geometraidd">blân</a>: gelwir y rhain yn <a href="/w/index.php?title=Ongl_deuhedrol&action=edit&redlink=1" class="new" title="Ongl deuhedrol (nid yw'r dudalen yn bodoli)">onglau deuhedrol</a>. Mae dwy <a href="/wiki/Cromlin" title="Cromlin">gromlin</a> croestoriadol yn diffinio ongl hefyd, sef ongl y <a href="/wiki/Tangiad" title="Tangiad">tangiadau</a> ar y pwynt croestoriad. Er enghraifft, mae'r <a href="/w/index.php?title=Ongl_sfferig&action=edit&redlink=1" class="new" title="Ongl sfferig (nid yw'r dudalen yn bodoli)">ongl sfferig a</a> ffurfir gan ddau gylch mawr ar <a href="/wiki/Sff%C3%AAr" title="Sffêr">sffêr</a> yn hafal i'r ongl deuhedroll rhwng y plannau sy'n cynnwys y cylchoedd mawr. delwedd gan y cylchdro.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Mae'r ongl hefyd yn <a href="/wiki/Mesuriad" title="Mesuriad">fesuriad</a> o <a href="/w/index.php?title=Cylchdroad&action=edit&redlink=1" class="new" title="Cylchdroad (nid yw'r dudalen yn bodoli)">gylchdroad</a>, y <a href="/wiki/Cymhareb" title="Cymhareb">gymhareb</a> o hyd <a href="/w/index.php?title=Arc_(geometreg)&action=edit&redlink=1" class="new" title="Arc (geometreg) (nid yw'r dudalen yn bodoli)">arc</a> i'w <a href="/wiki/Radiws" title="Radiws">radiws</a>. Y mesur hwn yw'r gymhareb o hyd <a href="/w/index.php?title=Arc&action=edit&redlink=1" class="new" title="Arc (nid yw'r dudalen yn bodoli)">arc</a> crwn i'w <a href="/wiki/Radiws" title="Radiws">radiws</a>. Yn achos ongl geometrig, mae'r arc wedi'i ganoli yn y fertig ac wedi'i amffinio gan yr ochrau. Yn achos cylchdro, mae'r arc wedi'i ganoli yng nghanol y cylchdro a'i amffinio gan unrhyw bwynt arall a'i d </p><p>Mesurir onglau yn aml mewn <a href="/w/index.php?title=Gradd_(ongl)&action=edit&redlink=1" class="new" title="Gradd (ongl) (nid yw'r dudalen yn bodoli)">graddau</a> (°), ond y <a href="/wiki/Radian" title="Radian">radian</a> yw'r uned safonol. Ceir 360° mewn un troad <a href="/wiki/Cylch" title="Cylch">cylch</a>, a 2<a href="/wiki/%CE%A0" class="mw-redirect" title="Π">π</a> radian mewn un troad cylch.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Gellir mesur onglau gydag <a href="/w/index.php?title=Onglydd&action=edit&redlink=1" class="new" title="Onglydd (nid yw'r dudalen yn bodoli)">onglydd</a>. Defnyddir y llythyren Roeg <a href="/wiki/Theta" title="Theta">theta</a> (θ) fel symbol mathemategol am ongl. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Mathau">Mathau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=1" title="Golygu'r adran: Mathau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=1" title="Edit section's source code: Mathau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Angle_obtuse_acute_straight.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/200px-Angle_obtuse_acute_straight.svg.png" decoding="async" width="200" height="111" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/300px-Angle_obtuse_acute_straight.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/400px-Angle_obtuse_acute_straight.svg.png 2x" data-file-width="800" data-file-height="445" /></a><figcaption>Ongl lem (<var>a</var>), ongl aflem (<var>b</var>), a syth (<var>c</var>). Yn yr enghraifft hon, mae <var>a</var> and <var>b</var> yn onglau arosgo.</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Right_angle.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Right_angle.svg/250px-Right_angle.svg.png" decoding="async" width="200" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Right_angle.svg/330px-Right_angle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Right_angle.svg/500px-Right_angle.svg.png 2x" data-file-width="800" data-file-height="800" /></a><figcaption>Ongl sgwâr.</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Reflex_angle.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Reflex_angle.svg/200px-Reflex_angle.svg.png" decoding="async" width="200" height="275" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Reflex_angle.svg/300px-Reflex_angle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Reflex_angle.svg/400px-Reflex_angle.svg.png 2x" data-file-width="64" data-file-height="88" /></a><figcaption>Ongl atblyg.</figcaption></figure> <dl><dt>Ongl sgwâr</dt></dl> <p>Ongl sydd rhwng dwy linell <a href="/wiki/Perpendicwlar" title="Perpendicwlar">bependicwlar</a>; chwarter troad cylch; hanner ongl syth. </p> <dl><dt>Ongl lem</dt></dl> <p>Ongl sy'n llai nag ongl sgwâr. </p> <dl><dt>Ongl aflem</dt></dl> <p>Ongl sy'n fwy nag ongl sgwâr ond yn llai nag ongl syth. </p> <dl><dt>Ongl syth</dt></dl> <p>Yr ongl sydd gan linell syth; hanner troad cylch; dwbl ongl sgwâr. </p> <dl><dt>Ongl atblyg neu allblyg</dt></dl> <p>Ongl sy'n fwy nag ongl syth ond yn llai nag un troad cylch. </p> <dl><dt>Ongl lawn</dt></dl> <p>Un troad cylch; dwy ongl syth; pedair ongl sgwâr. </p> <dl><dt>Onglau cyflenwol</dt></dl> <p>Dwy ongl sy'n ffurfio ongl sgwâr. </p> <dl><dt>Onglau atodol</dt></dl> <p>Dwy ongl sy'n ffurfio ongl syth. </p> <div class="mw-heading mw-heading2"><h2 id="Hanes_ac_etymoleg">Hanes ac etymoleg</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=2" title="Golygu'r adran: Hanes ac etymoleg" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=2" title="Edit section's source code: Hanes ac etymoleg"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Daw'r gair <i>ongl</i> o'r gair <a href="/wiki/Lladin" title="Lladin">Lladin</a> <i>angulus</i>, sy'n golygu "cornel"; geiriau cytras yw'r <a href="/wiki/Groeg_(iaith)" title="Groeg (iaith)">Groeg</a> <span lang="grc">ἀγκύλος</span> <i>(ankylοs)</i>, sy'n golygu "cam, crwm," a'r gair <a href="/wiki/Saesneg" title="Saesneg">Saesneg</a> <a href="/wiki/Migwrn" title="Migwrn">"<i>ankle</i></a>", sef <a href="/wiki/Migwrn" title="Migwrn">migwrn</a>. Mae'r ddau yn gysylltiedig â'r <a href="/wiki/Proto-Indo-Ewropeg" title="Proto-Indo-Ewropeg">gwreiddyn Proto-Indo-Ewropeaidd</a> <i>* ank-</i>, sy'n golygu "i blygu" neu "bwa".<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Dyma darddiad yr enw 'Ancr', sef math o feudwy, a blygai mewn gweddi, fel yn yr enw <i><a href="/wiki/Llyfr_Ancr_Llanddewibrefi" title="Llyfr Ancr Llanddewibrefi">Llyfr Ancr Llanddewibrefi</a></i>, sef llawysgrif a sgwennwyd yn <a href="/wiki/1346" title="1346">1346</a>. </p><p>Mae'r mathemategydd <a href="/wiki/Groeg_yr_Henfyd" title="Groeg yr Henfyd">Groegaidd</a> <a href="/wiki/Euclid" title="Euclid">Euclid</a> yn diffinio ongl <a href="/wiki/Pl%C3%A2n_geometraidd" title="Plân geometraidd">plân</a> fel tueddiad at ei gilydd, mewn <a href="/wiki/Pl%C3%A2n_geometraidd" title="Plân geometraidd">plân</a>, o ddwy linell sy'n cwrdd â'i gilydd, ac nad ydyn nhw'n gorwedd yn syth mewn perthynas â'i gilydd. Yn ôl Proclus, rhaid i ongl fod naill ai'n ansawdd neu'n faint, neu'n berthynas. Defnyddiwyd y cysyniad cyntaf gan Eudemus, a oedd yn ystyried ongl fel gwyriad o <a href="/wiki/Llinell" title="Llinell">linell syth</a> ; yr ail gan Carpus o Antioch, a oedd yn ei ystyried fel yr egwyl neu'r gofod rhwng y llinellau croestoriadol; Mabwysiadodd Euclid y trydydd diffiniad.<sup id="cite_ref-Chisholm_1911_5-0" class="reference"><a href="#cite_note-Chisholm_1911-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Adnabod_onglau">Adnabod onglau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=3" title="Golygu'r adran: Adnabod onglau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=3" title="Edit section's source code: Adnabod onglau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:ExternalAngles_cy.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/ExternalAngles_cy.svg/300px-ExternalAngles_cy.svg.png" decoding="async" width="300" height="237" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/ExternalAngles_cy.svg/450px-ExternalAngles_cy.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/ExternalAngles_cy.svg/600px-ExternalAngles_cy.svg.png 2x" data-file-width="744" data-file-height="588" /></a><figcaption>Onglau mewnol ac allanol</figcaption></figure> <p>Mewn <a href="/wiki/Mynegiad_(mathemateg)" title="Mynegiad (mathemateg)">mynegiadau mathemategol</a>, mae'n gyffredin defnyddio <a href="/wiki/Yr_wyddor_Roeg" title="Yr wyddor Roeg">llythrennau Groeg</a> (<var>α</var>, <var>β</var>, <var>γ</var>, <var>θ</var>, <var>φ</var> . . ) fel <a href="/wiki/Newidyn" title="Newidyn">newidynnau</a> sy'n dynodi maint ongl (er mwyn osgoi dryswch â'i ystyr arall, <span class="texhtml"><a href="/wiki/Pi" class="mw-redirect" title="Pi">π</a></span> at y diben hwn). Defnyddir hefyd y llythrennau bach Rhufeinig (<i>a</i> , <i>b</i> , <i>c</i>. . . ) hefyd yn cael eu defnyddio, a llythrennau Rhufeinig bras wrth drafod <a href="/wiki/Polygon" title="Polygon">polygonau</a>. Gweler y ffigurau yn yr erthygl hon am enghreifftiau. </p><p>Mewn ffigurau geometrig, gellir adnabod onglau hefyd gan y labeli sydd ynghlwm wrth y tri phwynt sy'n eu diffinio. Er enghraifft, mae'r ongl yn fertig A wedi'i hamgáu gan y pelydrau AB ac AC (hy y llinellau o bwynt A i bwynt B a phwynt A i bwynt C) wedi'i dynodi'n ∠BAC. Lle nad oes risg o ddryswch, weithiau gellir cyfeirio at yr ongl yn syml gan ei fertig ("ongl A" yn yr achos hwn). </p><p>O bosibl, gallai ongl a ddynodir fel, dyweder, ∠BAC, gyfeirio at unrhyw un o bedair ongl: yr ongl clocwedd o B i C, yr ongl gwrthglocwedd o B i C, yr ongl clocwedd o C i B, neu'r ongl gwrthglocwedd o C i B, lle mae'r cyfeiriad y mae'r ongl yn cael ei fesur yn pennu ei arwydd. Fodd bynnag, mewn llawer o sefyllfaoedd geometregol, mae'n amlwg o'r cyd-destun mai'r ongl gadarnhaol sy'n llai na neu'n hafal i 180 gradd yw, ac os felly nid oes amwysedd yn codi. Fel arall, gellir mabwysiadu confensiwn fel bod ∠BAC bob amser yn cyfeirio at yr ongl gwrthglocwedd (positif) o B i C, ac ∠CAB yr ongl gwrthglocwedd (positif) o C i B. </p> <div class="mw-heading mw-heading2"><h2 id="Mathau_o_onglau">Mathau o onglau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=4" title="Golygu'r adran: Mathau o onglau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=4" title="Edit section's source code: Mathau o onglau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Parau_o_onglau_cywerth">Parau o onglau cywerth</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=5" title="Golygu'r adran: Parau o onglau cywerth" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=5" title="Edit section's source code: Parau o onglau cywerth"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Adjacentangles.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Adjacentangles.svg/225px-Adjacentangles.svg.png" decoding="async" width="225" height="193" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Adjacentangles.svg/338px-Adjacentangles.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Adjacentangles.svg/450px-Adjacentangles.svg.png 2x" data-file-width="85" data-file-height="73" /></a><figcaption> Mae onglau <i>A</i> a <i>B</i> yn gyfagos.</figcaption></figure> <ul><li>Dywedir bod onglau sydd â'r un mesur (hy yr un maint) yn <i>gyfartal,</i> yn <i>hafal</i> neu'n <i><a href="/wiki/Cyfathiant" title="Cyfathiant">gyfath</a></i>. Diffinnir ongl yn ôl ei fesur ac nid yw'n dibynnu ar hyd ochrau'r ongl (ee mae pob <i><a href="/wiki/Ongl_sgw%C3%A2r" title="Ongl sgwâr">ongl sgwâr</a></i> yn hafal o ran mesur).</li> <li>Gelwir dwy ongl sy'n rhannu ochrau terfynell, ond sy'n wahanol o ran maint gan luosrif cyfanrif tro, yn <i>onglau cyd-derfynol</i>.</li> <li><i>Ongl</i> <i>cyfeiriol</i> yw fersiwn <a href="/w/index.php?title=Ongl_lem&action=edit&redlink=1" class="new" title="Ongl lem (nid yw'r dudalen yn bodoli)">lem</a> unrhyw ongl a bennir trwy dynnu neu ychwanegu ongl syth dro ar ôl tro (<span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">2</span></span>  tro, 180°, neu <a href="/wiki/Radian" title="Radian">radianau</a> <span class="texhtml">π</span>) at y canlyniadau yn ôl yr angen, hyd nes y bydd maint y canlyniad yn ongl lem, a gwerth rhwng 0 a <span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">4</span></span> tro, 90°, neu <span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;"><span class="texhtml">π</span></span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">2</span></span> radian. Er enghraifft, mae gan ongl 30 gradd ongl gyfeirio o 30 gradd, ac mae gan ongl o 150 gradd ongl gyfeirio o 30 gradd (80-150). Mae gan ongl o 750 gradd ongl gyfeirio o 30 gradd (750-720).<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Parau_ongl_fertigol_a_chyfagos">Parau ongl fertigol a chyfagos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=6" title="Golygu'r adran: Parau ongl fertigol a chyfagos" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=6" title="Edit section's source code: Parau ongl fertigol a chyfagos"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pan fydd dwy linell syth yn croestorri ar bwynt, ffurfir pedair ongl. Enwir yr onglau hyn yn ôl eu lleoliad mewn perthynas â'i gilydd. </p> <ul><li>Gelwir pâr o onglau gyferbyn â'i gilydd, a ffurfiwyd gan ddwy linell syth sy'n croestorri sy'n ffurfio siâp tebyg i "X", yn <i>onglau fertigol</i> neu <i>onglau gyferbyn</i> neu'n <i>onglau gyferbyn fertigol</i>. Maent yn cael eu talfyrru fel <i>fert. gwrth. ∠s</i> neu yn Saesneg <i>vert. opp. ∠s</i>.<sup id="cite_ref-tb_7-0" class="reference"><a href="#cite_note-tb-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li></ul> <dl><dd>Gelwir cydraddoldeb onglau ferticol, gyferbyn yn <i>theorem ongl fertigol</i>. Priodolodd Eudemus of Rhodes y prawf i <a href="/wiki/Thales" title="Thales">Thales of Miletus</a>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-FOOTNOTEShuteShirkPorter1960_9-0" class="reference"><a href="#cite_note-FOOTNOTEShuteShirkPorter1960-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Dangosodd y cynnig, gan fod y ddau bâr o onglau fertigol yn atodol i'r ddwy ongl gyfagos, bod yr onglau fertigol yn gyfartal o ran mesur. Yn ôl cofnod hanesyddol,<sup id="cite_ref-FOOTNOTEShuteShirkPorter1960_9-1" class="reference"><a href="#cite_note-FOOTNOTEShuteShirkPorter1960-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> pan ymwelodd Thales â'r <a href="/wiki/Aifft" class="mw-redirect" title="Aifft">Aifft</a>, sylwodd eu bod yn mesur yr onglau fertigol i sicrhau eu bod yn gyfartal, i wiro'r gwaith, pob tro y byddai'r Eifftiaid yn tynnu dwy linell groestoriadol. Daeth Thales i'r casgliad y gallai rhywun brofi bod pob ongl fertigol yn gyfartal pe bai rhywun yn derbyn rhai syniadau cyffredinol fel: <ul><li>Mae pob ongl syth yn gyfartal.</li> <li>Mae hafaliadau sy'n cael eu hychwanegu at hafaliaid yn gyfartal.</li> <li>Mae hafaliadau a dynnwyd o hafal yn gyfartal.</li></ul></dd></dl> <ul><li>Talfyrrir o<i>nglau cyfagos</i>, yn aml <i>fel adj. ∠s,</i> ac mae'r onglau yn onglau sy'n rhannu fertig ac ymyl cyffredin ond nad ydyn nhw'n rhannu unrhyw bwyntiau mewnol. Mewn geiriau eraill, maent yn onglau sydd ochr yn ochr, neu'n gyfagos, yn rhannu "braich". Mae onglau cyfagos sy'n cyfateb i ongl sgwâr, ongl syth, neu ongl lawn yn arbennig ac fe'u gelwir yn <i>onglau cyflenwol</i>, <i>atodol</i> ac <i>esboniadol</i> yn y drefn honno.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Cyfuno_parau_o_onglau">Cyfuno parau o onglau</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=7" title="Golygu'r adran: Cyfuno parau o onglau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=7" title="Edit section's source code: Cyfuno parau o onglau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mae tri phâr ongl arbennig yn cynnwys crynhoi onglau: </p> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Complement_angle.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Complement_angle.svg/150px-Complement_angle.svg.png" decoding="async" width="150" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Complement_angle.svg/225px-Complement_angle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/Complement_angle.svg/300px-Complement_angle.svg.png 2x" data-file-width="800" data-file-height="800" /></a><figcaption> Yr onglau <i>cyflenwol</i> <var>a</var> a <var>b</var> ( <var>b</var> yw <i>cyflenwad</i> (<i>complement</i>) <var>a</var>, ac <var>a</var> yw cyflenwad <var>b</var>).</figcaption></figure> <ul><li><i>Mae onglau cyflenwol</i> yn barau o ongl y mae eu mesurau'n cyfateb i un <a href="/wiki/Ongl_sgw%C3%A2r" title="Ongl sgwâr">ongl sgwâr</a> (<span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">4</span></span> tro, 90 °, neu  radian).<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Os yw'r ddwy ongl gyflenwol yn gyfagos, mae eu hochrau nad ydynt yn cael eu rhannu yn ffurfio ongl sgwâr. Mewn <a href="/wiki/Geometreg_Ewclidaidd" class="mw-redirect" title="Geometreg Ewclidaidd">geometreg Ewclidaidd</a>, mae'r ddwy <a href="/w/index.php?title=Ongl_lem&action=edit&redlink=1" class="new" title="Ongl lem (nid yw'r dudalen yn bodoli)">ongl lem</a> mewn triongl dde yn gyflenwol (<i>complementary</i>), oherwydd bod swm onglau mewnol <a href="/wiki/Triongl" title="Triongl">triongl</a> yn 180 gradd, ac mae'r ongl sgwâr ei hun yn cyfrif am 90 gradd.</li></ul> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Angle_obtuse_acute_straight.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/300px-Angle_obtuse_acute_straight.svg.png" decoding="async" width="300" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/450px-Angle_obtuse_acute_straight.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Angle_obtuse_acute_straight.svg/600px-Angle_obtuse_acute_straight.svg.png 2x" data-file-width="800" data-file-height="445" /></a><figcaption> Mae'r onglau <var>a</var> a <var>b</var> yn onglau <i>atodol.</i></figcaption></figure> <ul><li>Dwy ongl sy'n cyfateb i ongl syth (<span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">2</span></span> tro, 180°, neu radianau <span class="texhtml">π</span>) yn cael eu galw'n <i>onglau atodol.</i> <sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li>Mae dwy ongl sy'n creu ongl gyflawn (1 tro llawn, 360°, neu 2<span class="texhtml">π</span> radian) yn cael eu galw'n <i>onglau explementary</i> neu <i>onglau cyfun.</i> <dl><dd>Gelwir y gwahaniaeth rhwng ongl ac ongl gyflawn yn <i>esboniad</i> o'r ongl neu <i>gyfuniad</i> yr ongl.</dd></dl></li></ul> <div class="mw-heading mw-heading3"><h3 id="Onglau_sy'n_gysylltiedig_â_pholygon"><span id="Onglau_sy.27n_gysylltiedig_.C3.A2_pholygon"></span>Onglau sy'n gysylltiedig â pholygon</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=8" title="Golygu'r adran: Onglau sy'n gysylltiedig â pholygon" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=8" title="Edit section's source code: Onglau sy'n gysylltiedig â pholygon"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Gelwir ongl sy'n rhan o <a href="/wiki/Polygon" title="Polygon">bolygon syml</a> yn <i>ongl fewnol</i> os yw'n gorwedd y tu mewn i'r polygon syml hwnnw. Mae gan <a href="/wiki/Polygon_ceugrwm" title="Polygon ceugrwm">bolygon ceugrwm</a> syml o leiaf un ongl fewnol sy'n ongl atgyrch. <dl><dd>Mewn <a href="/wiki/Geometreg_Euclidaidd" title="Geometreg Euclidaidd">geometreg Ewclidaidd</a>, mae mesurau onglau mewnol <a href="/wiki/Triongl" title="Triongl">triongl yn</a> adio i <span class="texhtml">π</span> radian, 180 °, neu <span class="sfrac nowrap" style="display:inline-block; vertical-align:-0.5em; font-size:85%; text-align:center;"><span style="display:block; line-height:1em; margin:0 0.1em;">1</span><span class="visualhide">/</span><span style="display:block; line-height:1em; margin:0 0.1em; border-top:1px solid;">2</span></span> tro; mae mesurau onglau mewnol syml <a href="/wiki/Polygon_amgrwm" title="Polygon amgrwm">amgrwm</a> <a href="/wiki/Pedrochr" title="Pedrochr">pedrochr</a> yn ychwanegu hyd at 2<span class="texhtml">π</span> radian, 360°, neu 1 tro.</dd></dl></li> <li>Gelwir ychwanegiad ongl fewnol yn ongl <i>allanol</i>, hynny yw, mae ongl fewnol ac ongl allanol yn ffurfio pâr llinol o onglau . Mae dwy ongl allanol ym mhob fertig y polygon, pob un wedi'i bennu trwy ymestyn un o ddwy ochr y polygon sy'n cwrdd wrth y fertig; mae'r ddwy ongl hyn yn fertigol ac felly maent yn gyfartal. Mae ongl allanol yn mesur faint o gylchdro y mae'n rhaid ei wneud mewn fertig i olrhain (<i>trace</i>) y polygon.<sup id="cite_ref-FOOTNOTEHendersonTaimina2005104_12-0" class="reference"><a href="#cite_note-FOOTNOTEHendersonTaimina2005104-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Mesur_onglau">Mesur onglau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=9" title="Golygu'r adran: Mesur onglau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=9" title="Edit section's source code: Mesur onglau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mae maint ongl geometrig fel arfer yn cael ei nodweddu gan faint y cylchdro lleiaf sy'n mapio un o'r pelydrau (neu linellau) i'r llall. Dywedir bod onglau sydd â'r un maint yn <i>gyfartal</i> neu'n <i>gyfath</i> neu'n <i>gyfartal o ran mesur</i> . </p> <div class="mw-heading mw-heading3"><h3 id="Unedau">Unedau</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=10" title="Golygu'r adran: Unedau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=10" title="Edit section's source code: Unedau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Angle_radian.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Angle_radian.svg/150px-Angle_radian.svg.png" decoding="async" width="150" height="145" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Angle_radian.svg/225px-Angle_radian.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/15/Angle_radian.svg/300px-Angle_radian.svg.png 2x" data-file-width="800" data-file-height="773" /></a><figcaption> Diffiniad o 1 radian</figcaption></figure> <p>Trwy gydol hanes, mae onglau wedi'u mesur mewn llawer o wahanol unedau. Gelwir y rhain yn <i>unedau onglog</i>, a'r unedau mwyaf cyfoes yw gradd ( ° ), y <a href="/wiki/Radian" title="Radian">radian</a> (rad), a'r <a href="/w/index.php?title=Gradian&action=edit&redlink=1" class="new" title="Gradian (nid yw'r dudalen yn bodoli)">graddian</a> (gradd), er bod llawer o rai eraill wedi'u defnyddio trwy gydol hanes.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>Diffinnir mwyafrif yr unedau mesur onglog fel bod un tro (hy un cylch llawn) yn hafal i <i>n</i> uned, ar gyfer rhai rhif cyfan <i>n</i>. Y ddau eithriad yw'r radian a'r rhan diamedr. </p> <div class="mw-heading mw-heading2"><h2 id="Onglau_rhwng_cromliniau">Onglau rhwng cromliniau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=11" title="Golygu'r adran: Onglau rhwng cromliniau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=11" title="Edit section's source code: Onglau rhwng cromliniau"><span>golygu cod</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/Delwedd:Curve_angles.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Curve_angles.svg/250px-Curve_angles.svg.png" decoding="async" width="220" height="136" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Curve_angles.svg/330px-Curve_angles.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Curve_angles.svg/500px-Curve_angles.svg.png 2x" data-file-width="800" data-file-height="495" /></a><figcaption> Diffinnir yr ongl rhwng y ddwy gromlin yn <i>P</i> fel yr ongl rhwng y tangiadau <var>A</var> a <var>B</var> yn <var>P.</var></figcaption></figure> <p>Diffinnir yr ongl rhwng llinell a <a href="/wiki/Cromlin" title="Cromlin">chromlin</a> (ongl gymysg) neu rhwng dwy gromlin croestoriadol (ongl gromliniol) yw'r ongl rhwng y <a href="/wiki/Tangiad" title="Tangiad">tangiadau</a> ar bwynt y <a href="/w/index.php?title=Croestoriad&action=edit&redlink=1" class="new" title="Croestoriad (nid yw'r dudalen yn bodoli)">croestoriad</a>. Mae enwau amrywiol (anaml bellach, os bu erioed, yn cael eu defnyddio) wedi'u rhoi i achosion penodol.<sup id="cite_ref-Chisholm_1911_5-1" class="reference"><a href="#cite_note-Chisholm_1911-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Cyfeiriadau">Cyfeiriadau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ongl&veaction=edit&section=12" title="Golygu'r adran: Cyfeiriadau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ongl&action=edit&section=12" title="Edit section's source code: Cyfeiriadau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a href="#CITEREFSidorov2001">Sidorov 2001</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Sidorov, L.A. (2001), "Angle", yn Hazewinkel, Michiel, <i>Encyclopedia of Mathematics</i>, Springer, <a href="/wiki/Arbennig:BookSources/9781556080104" class="internal mw-magiclink-isbn">ISBN 978-1-55608-010-4</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> Joyce, David E. (2006). <a rel="nofollow" class="external text" href="http://www.clarku.edu/~djoyce/trig/angle.html">Angle measurement</a>. <a href="/w/index.php?title=Prifysgol_Clark&action=edit&redlink=1" class="new" title="Prifysgol Clark (nid yw'r dudalen yn bodoli)">Prifysgol Clark</a>. Adalwyd ar 31 Hydref 2012.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a href="#CITEREFSlocum2007">Slocum 2007</a></span> </li> <li id="cite_note-Chisholm_1911-5"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Chisholm_1911_5-0">5.0</a></sup> <sup><a href="#cite_ref-Chisholm_1911_5-1">5.1</a></sup></span> <span class="reference-text"><a href="#CITEREFChisholm1911">Chisholm 1911</a>; <a href="#CITEREFHeiberg1908">Heiberg 1908</a></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"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20171023035017/http://www.mathwords.com/r/reference_angle.htm">"Mathwords: Reference Angle"</a>. <i>www.mathwords.com</i>. Archifwyd o'r <a rel="nofollow" class="external text" href="http://www.mathwords.com/r/reference_angle.htm">gwreiddiol</a> ar 23 Hydref 2017<span class="reference-accessdate">. Cyrchwyd <span class="nowrap">26 April</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.mathwords.com&rft.atitle=Mathwords%3A+Reference+Angle&rft_id=http%3A%2F%2Fwww.mathwords.com%2Fr%2Freference_angle.htm&rfr_id=info%3Asid%2Fcy.wikipedia.org%3AOngl" class="Z3988"></span><style data-mw-deduplicate="TemplateStyles:r8312344">.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}</style></span> </li> <li id="cite_note-tb-7"><span class="mw-cite-backlink"><a href="#cite_ref-tb_7-0">↑</a></span> <span class="reference-text"><a href="#CITEREFWongWong2009">Wong & Wong 2009</a>, tt. 161–163</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><cite id="CITEREFEuclid1753" class="citation book"><a href="/wiki/Euclid" title="Euclid">Euclid</a> (1753). <a rel="nofollow" class="external text" href="https://archive.org/details/elementsof53west00eucluoft"><i>The Elements</i></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Elements&rft.date=1753&rft.au=Euclid&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Felementsof53west00eucluoft&rfr_id=info%3Asid%2Fcy.wikipedia.org%3AOngl" class="Z3988"></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r8312344" /> Proposition I:13.</span> </li> <li id="cite_note-FOOTNOTEShuteShirkPorter1960-9"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-FOOTNOTEShuteShirkPorter1960_9-0">9.0</a></sup> <sup><a href="#cite_ref-FOOTNOTEShuteShirkPorter1960_9-1">9.1</a></sup></span> <span class="reference-text"><a href="#CITEREFShuteShirkPorter1960">Shute, Shirk & Porter 1960</a>.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.mathsisfun.com/geometry/complementary-angles.html">"Complementary Angles"</a>. <i>www.mathsisfun.com</i><span class="reference-accessdate">. Cyrchwyd <span class="nowrap">2020-08-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.mathsisfun.com&rft.atitle=Complementary+Angles&rft_id=https%3A%2F%2Fwww.mathsisfun.com%2Fgeometry%2Fcomplementary-angles.html&rfr_id=info%3Asid%2Fcy.wikipedia.org%3AOngl" class="Z3988"></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r8312344" /></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.mathsisfun.com/geometry/supplementary-angles.html">"Supplementary Angles"</a>. <i>www.mathsisfun.com</i><span class="reference-accessdate">. Cyrchwyd <span class="nowrap">2020-08-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.mathsisfun.com&rft.atitle=Supplementary+Angles&rft_id=https%3A%2F%2Fwww.mathsisfun.com%2Fgeometry%2Fsupplementary-angles.html&rfr_id=info%3Asid%2Fcy.wikipedia.org%3AOngl" class="Z3988"></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r8312344" /></span> </li> <li id="cite_note-FOOTNOTEHendersonTaimina2005104-12"><span class="mw-cite-backlink"><a href="#cite_ref-FOOTNOTEHendersonTaimina2005104_12-0">↑</a></span> <span class="reference-text"><a href="#CITEREFHendersonTaimina2005">Henderson & Taimina 2005</a>, t. 104.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><a href="#cite_ref-13">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.thefreedictionary.com/angular+unit">"angular unit"</a>. <i>TheFreeDictionary.com</i><span class="reference-accessdate">. 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