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casu</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Speciale:UltimeModifiche" title="Listinu di l'ultime mudifiche di u situ [r]" accesskey="r"><span>Ultime mudifiche</span></a></li><li id="n-help" class="mw-list-item"><a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents" title="Pagine di aiutu"><span>Aiutu</span></a></li> </ul> </div> </div> <div id="p-community" class="vector-menu mw-portlet mw-portlet-community" > <div class="vector-menu-heading"> Cumunità </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Purtone_di_a_cumunit%C3%A0" title="À prupositu di u prugettu, ciò chì si pò fà, induve truvà qualcosa"><span>Purtone</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Pagina_maestra" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" 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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="Aspettu"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modifica la dimensione, la larghezza e il colore del testo" > <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="Aspettu" > <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 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user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Speciale:CreaUtenza&returnto=Catetu" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire." class=""><span>Registramentu</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=Speciale:Entra&returnto=Catetu" title="U registramentu hè suggeritu, micca ubligatoriu [o]" accesskey="o" class=""><span>Cunnessione</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Altre opzioni" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Strumenti persunali" > <label 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href="/w/index.php?title=Speciale:CreaUtenza&returnto=Catetu" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Registramentu</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Speciale:Entra&returnto=Catetu" title="U registramentu hè suggeritu, micca ubligatoriu [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Cunnessione</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"> Pagine per utenti anonimi <a href="/wiki/Aiuto:Introduzione" aria-label="Ulteriori informazioni sulla contribuzione"><span>ulteriori informazioni</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> 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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">Cuntenuti</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">piattà</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">Principiu</div> </a> </li> <li id="toc-Calculu_di_a_lunghezza" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Calculu_di_a_lunghezza"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Calculu di a lunghezza</span> </div> </a> <button aria-controls="toc-Calculu_di_a_lunghezza-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>Attiva/disattiva la sottosezione Calculu di a lunghezza</span> </button> <ul id="toc-Calculu_di_a_lunghezza-sublist" class="vector-toc-list"> <li id="toc-Dati_l'altri_lati" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dati_l'altri_lati"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Dati l'altri lati</span> </div> </a> <ul id="toc-Dati_l'altri_lati-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dati_l'iputenusa_è_un_angulu" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dati_l'iputenusa_è_un_angulu"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Dati l'iputenusa è un angulu</span> </div> </a> <ul id="toc-Dati_l'iputenusa_è_un_angulu-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dati_l'altru_catetu_è_un_angulu_acutu" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dati_l'altru_catetu_è_un_angulu_acutu"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Dati l'altru catetu è un angulu acutu</span> </div> </a> <ul id="toc-Dati_l'altru_catetu_è_un_angulu_acutu-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Cunsidarazioni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cunsidarazioni"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Cunsidarazioni</span> </div> </a> <ul id="toc-Cunsidarazioni-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Pruiizioni_di_i_cateti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Pruiizioni_di_i_cateti"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Pruiizioni di i cateti</span> </div> </a> <ul id="toc-Pruiizioni_di_i_cateti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Da_veda_dinò" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Da_veda_dinò"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Da veda dinò</span> </div> </a> <ul id="toc-Da_veda_dinò-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Noti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Noti"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Noti</span> </div> </a> <ul id="toc-Noti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fonti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fonti"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Fonti</span> </div> </a> <ul id="toc-Fonti-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="Cuntenuti" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <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">Mostra/Nascondi l'indice</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">Catetu</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="Vai a una voce in un'altra lingua. Disponibile in 52 lingue" > <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-52" 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">52 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B6%D9%84%D8%B9_%D9%82%D8%A7%D8%A6%D9%85" title="ضلع قائم - arabu" lang="ar" hreflang="ar" data-title="ضلع قائم" data-language-autonym="العربية" data-language-local-name="arabu" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Catetu" title="Catetu - asturiano" lang="ast" hreflang="ast" data-title="Catetu" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Katet" title="Katet - azerbaigiano" lang="az" hreflang="az" data-title="Katet" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Kathete" title="Kathete - bavarese" lang="bar" hreflang="bar" data-title="Kathete" data-language-autonym="Boarisch" data-language-local-name="bavarese" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Catet" title="Catet - catalano" lang="ca" hreflang="ca" data-title="Catet" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - ciuvascio" lang="cv" hreflang="cv" data-title="Катет" data-language-autonym="Чӑвашла" data-language-local-name="ciuvascio" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Kathete" title="Kathete - tedescu" lang="de" hreflang="de" data-title="Kathete" data-language-autonym="Deutsch" data-language-local-name="tedescu" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el badge-Q70893996 mw-list-item" title=""><a href="https://el.wikipedia.org/wiki/%CE%9A%CE%AC%CE%B8%CE%B5%CF%84%CE%BF%CF%82" title="Κάθετος - grecu" lang="el" hreflang="el" data-title="Κάθετος" data-language-autonym="Ελληνικά" data-language-local-name="grecu" 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/Cathetus" title="Cathetus - inglese" lang="en" hreflang="en" data-title="Cathetus" data-language-autonym="English" data-language-local-name="inglese" 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/Kateto" title="Kateto - esperanto" lang="eo" hreflang="eo" data-title="Kateto" 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/Cateto" title="Cateto - spagnolu" lang="es" hreflang="es" data-title="Cateto" data-language-autonym="Español" data-language-local-name="spagnolu" 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/Kaatet" title="Kaatet - estone" lang="et" hreflang="et" data-title="Kaatet" data-language-autonym="Eesti" data-language-local-name="estone" 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/Kateto" title="Kateto - basco" lang="eu" hreflang="eu" data-title="Kateto" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%A7%D8%AA%D8%AA%D9%88%D8%B3" title="کاتتوس - persiano" lang="fa" hreflang="fa" data-title="کاتتوس" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cath%C3%A8te" title="Cathète - francese" lang="fr" hreflang="fr" data-title="Cathète" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Cateto" title="Cateto - galiziano" lang="gl" hreflang="gl" data-title="Cateto" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Befog%C3%B3" title="Befogó - ungarese" lang="hu" hreflang="hu" data-title="Befogó" data-language-autonym="Magyar" data-language-local-name="ungarese" 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%B7%D5%BB_(%D5%A5%D6%80%D5%AF%D6%80%D5%A1%D5%B9%D5%A1%D6%83%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6)" title="Էջ (երկրաչափություն) - armeno" lang="hy" hreflang="hy" data-title="Էջ (երկրաչափություն)" data-language-autonym="Հայերեն" data-language-local-name="armeno" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Cathetus" title="Cathetus - indunesianu" lang="id" hreflang="id" data-title="Cathetus" data-language-autonym="Bahasa Indonesia" data-language-local-name="indunesianu" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Skammhli%C3%B0" title="Skammhlið - islandese" lang="is" hreflang="is" data-title="Skammhlið" data-language-autonym="Íslenska" data-language-local-name="islandese" 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/Cateto" title="Cateto - talianu" lang="it" hreflang="it" data-title="Cateto" data-language-autonym="Italiano" data-language-local-name="talianu" 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/%E9%9A%A3%E8%BE%BA" title="隣辺 - giappunese" lang="ja" hreflang="ja" data-title="隣辺" data-language-autonym="日本語" data-language-local-name="giappunese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kbd mw-list-item"><a href="https://kbd.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - cabardino" lang="kbd" hreflang="kbd" data-title="Катет" data-language-autonym="Адыгэбзэ" data-language-local-name="cabardino" 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%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - kazako" lang="kk" hreflang="kk" data-title="Катет" data-language-autonym="Қазақша" data-language-local-name="kazako" 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%80%E1%9E%B6%E1%9E%8F%E1%9F%82%E1%9E%8F" title="កាតែត - khmer" lang="km" hreflang="km" data-title="កាតែត" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - kirghiso" lang="ky" hreflang="ky" data-title="Катет" data-language-autonym="Кыргызча" data-language-local-name="kirghiso" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Katete" title="Katete - lettone" lang="lv" hreflang="lv" data-title="Katete" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - Eastern Mari" lang="mhr" hreflang="mhr" data-title="Катет" 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%9A%D0%B0%D1%82%D0%B5%D1%82%D0%B0" title="Катета - macedone" lang="mk" hreflang="mk" data-title="Катета" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - mongolo" lang="mn" hreflang="mn" data-title="Катет" data-language-autonym="Монгол" data-language-local-name="mongolo" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Katheet" title="Katheet - basso tedesco" lang="nds" hreflang="nds" data-title="Katheet" data-language-autonym="Plattdüütsch" data-language-local-name="basso tedesco" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Rechthoekszijde" title="Rechthoekszijde - neerlandese" lang="nl" hreflang="nl" data-title="Rechthoekszijde" data-language-autonym="Nederlands" data-language-local-name="neerlandese" 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/Katet" title="Katet - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Katet" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese 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/Katet" title="Katet - norvegese bokmål" lang="nb" hreflang="nb" data-title="Katet" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Cateto" title="Cateto - purtughese" lang="pt" hreflang="pt" data-title="Cateto" data-language-autonym="Português" data-language-local-name="purtughese" 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/Manyaku" title="Manyaku - quechua" lang="qu" hreflang="qu" data-title="Manyaku" 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/Catet%C4%83" title="Catetă - rumeno" lang="ro" hreflang="ro" data-title="Catetă" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rsk mw-list-item"><a href="https://rsk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82%D0%B0" title="Катета - Pannonian Rusyn" lang="rsk" hreflang="rsk" data-title="Катета" data-language-autonym="Руски" data-language-local-name="Pannonian Rusyn" class="interlanguage-link-target"><span>Руски</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - russiu" lang="ru" hreflang="ru" data-title="Катет" data-language-autonym="Русский" data-language-local-name="russiu" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kateta" title="Kateta - serbo-croato" lang="sh" hreflang="sh" data-title="Kateta" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Odvesna" title="Odvesna - sluvaccu" lang="sk" hreflang="sk" data-title="Odvesna" data-language-autonym="Slovenčina" data-language-local-name="sluvaccu" 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/Kateta" title="Kateta - sluvenu" lang="sl" hreflang="sl" data-title="Kateta" data-language-autonym="Slovenščina" data-language-local-name="sluvenu" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Kateti" title="Kateti - albanese" lang="sq" hreflang="sq" data-title="Kateti" data-language-autonym="Shqip" data-language-local-name="albanese" 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%9A%D0%B0%D1%82%D0%B5%D1%82%D0%B0" title="Катета - serbo" lang="sr" hreflang="sr" data-title="Катета" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Katet" title="Katet - svedese" lang="sv" hreflang="sv" data-title="Katet" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%BE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%AA%E0%AF%8D_%E0%AE%AA%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%8D" title="தாங்கிப் பக்கம் - tamil" lang="ta" hreflang="ta" data-title="தாங்கிப் பக்கம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%94%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%A1%E0%B8%B8%E0%B8%A1%E0%B8%89%E0%B8%B2%E0%B8%81" title="ด้านประกอบมุมฉาก - tailandese" lang="th" hreflang="th" data-title="ด้านประกอบมุมฉาก" data-language-autonym="ไทย" data-language-local-name="tailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Dik_kenar" title="Dik kenar - turcu" lang="tr" hreflang="tr" data-title="Dik kenar" data-language-autonym="Türkçe" data-language-local-name="turcu" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - tuvinian" lang="tyv" hreflang="tyv" data-title="Катет" data-language-autonym="Тыва дыл" data-language-local-name="tuvinian" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D1%82" title="Катет - ucraino" lang="uk" hreflang="uk" data-title="Катет" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Katet" title="Katet - uzbeco" lang="uz" hreflang="uz" data-title="Katet" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9B%B4%E8%A7%92%E9%82%8A" title="直角邊 - chinese" lang="zh" hreflang="zh" data-title="直角邊" data-language-autonym="中文" data-language-local-name="chinese" class="interlanguage-link-target"><span>中文</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/Q110812#sitelinks-wikipedia" title="Mudificà ligami interwiki" class="wbc-editpage">Mudificà ligami</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="Spazii"> <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/Catetu" title="Vede l'articulu [c]" accesskey="c"><span>Pàgina</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussione:Catetu&action=edit&redlink=1" rel="discussion" class="new" title="Discussioni nant'à u cuntenutu di a pagina (a pàgina ùn esiste micca) [t]" accesskey="t"><span>Discussione</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="Cambia versione linguistica" > <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">corsu</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="Viste sfarenti"> <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/Catetu"><span>Leghje</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Catetu&veaction=edit" title="Edità 'ssa pagina [v]" accesskey="v"><span>Mudificà</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Catetu&action=edit" title="Edità u codice fonte di 'ssa pagina [e]" accesskey="e"><span>Edità a fonte</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Catetu&action=history" title="Versioni anziane di a pagina. 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vector-more-collapsible-item mw-list-item"><a href="/wiki/Catetu"><span>Leghje</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Catetu&veaction=edit" title="Edità 'ssa pagina [v]" accesskey="v"><span>Mudificà</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Catetu&action=edit" title="Edità u codice fonte di 'ssa pagina [e]" accesskey="e"><span>Edità a fonte</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Catetu&action=history"><span>Vede a cronolugia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generali </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/Catetu" title="Listinu di tutte e pagine chì sò ligate à quessa [j]" accesskey="j"><span>Pagine ligate</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Catetu" rel="nofollow" title="Versione di l'ultime mudifiche à e pagine legate à quessa [k]" accesskey="k"><span>Cambiamenti assuciati</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=co" title="Incaricà un schedariu [u]" accesskey="u"><span>Caricà un schedariu</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speciale:PagineSpeciali" title="Elencu di tutte e pagine speciali [q]" accesskey="q"><span>Pagine speciali</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Catetu&oldid=381976" title="Ligame permanente à e revisione di sta pagina"><span>Ligame permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Catetu&action=info" title="Ulteriori informazioni su questa pagina"><span>Infurmazione annantu à a pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&page=Catetu&id=381976&wpFormIdentifier=titleform" title="Infurmazione cumu si pò cità 'ssa pàgina"><span>Cità l'articulu</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciale:UrlShortener&url=https%3A%2F%2Fco.wikipedia.org%2Fwiki%2FCatetu"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciale:QrCode&url=https%3A%2F%2Fco.wikipedia.org%2Fwiki%2FCatetu"><span>Scarica codice 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"> Stampa/Esporta </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=Speciale:Libro&bookcmd=book_creator&referer=Catetu"><span>Crià un libru</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&page=Catetu&action=show-download-screen"><span>Scaricà cum'è PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Catetu&printable=yes" title="Versione stampevule di 'ssa pagina [p]" accesskey="p"><span>Versione stampabile</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"> In altri prugetti </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q110812" title="Collegamento all'elemento connesso dell'archivio dati [g]" accesskey="g"><span>Elementu Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspettu"> <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">Aspettu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">piattà</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">À prupositu di Wikipedia</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="co" dir="ltr"><p>In un <a href="/wiki/Triangulu_rittangulu" title="Triangulu rittangulu">triangulu rittangulu</a> hè dittu <b>catetu</b> (da u <a href="/w/index.php?title=Lingua_greca&action=edit&redlink=1" class="new" title="Lingua greca (a pàgina ùn esiste micca)">grecu</a> <i>káthetos</i>, κάθετος: linia <a href="/w/index.php?title=Parpindiculari&action=edit&redlink=1" class="new" title="Parpindiculari (a pàgina ùn esiste micca)">parpindiculari</a>) ciascunu di i dui <a href="/w/index.php?title=Latu_(giumitria)&action=edit&redlink=1" class="new" title="Latu (giumitria) (a pàgina ùn esiste micca)">lati</a> aghjacenti à l'<a href="/wiki/Angulu_rettu" title="Angulu rettu">angulu rettu</a>. U latu oppostu à l'angulu rettu si chjama inveci <a href="/wiki/Iputenusa" title="Iputenusa">iputenusa</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Calculu_di_a_lunghezza">Calculu di a lunghezza</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=1" title="Mudificà a sezzione: Calculu di a lunghezza" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=1" title="Edit section's source code: Calculu di a lunghezza"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Triangle_rectangle.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Triangle_rectangle.svg/220px-Triangle_rectangle.svg.png" decoding="async" width="220" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Triangle_rectangle.svg/330px-Triangle_rectangle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Triangle_rectangle.svg/440px-Triangle_rectangle.svg.png 2x" data-file-width="156" data-file-height="113" /></a><figcaption>Un triangulu rittangulu</figcaption></figure> <p>A <a href="/w/index.php?title=Rilazioni_(matematica)&action=edit&redlink=1" class="new" title="Rilazioni (matematica) (a pàgina ùn esiste micca)">rilazioni</a> fundamintali frà i lati d'un triangulu rittangulu hè stabilita da u <a href="/wiki/Tiurema_di_Pitagora" title="Tiurema di Pitagora">tiurema di Pitagora</a>, chì pò essa adupratu par calculà a misura d'un catetu quandu sò cunnisciuti i misuri di l'altri dui lati. Incù i metudi di a <a href="/wiki/Trigunumitria" title="Trigunumitria">trigunumitria</a> hè ancu pussibuli di ditarminà a misura d'un catetu cunniscendu a misura d'un solu di l'altri lati à tempu cù à l'ampiezza d'un di l'<a href="/w/index.php?title=Angulu_acutu&action=edit&redlink=1" class="new" title="Angulu acutu (a pàgina ùn esiste micca)">anguli acuti</a> di u triangulu rittangulu. </p><p>In i <a href="/w/index.php?title=Formula&action=edit&redlink=1" class="new" title="Formula (a pàgina ùn esiste micca)">formuli</a> ripurtati quì sottu si indicarà incù <i>i</i> l'iputenusa, è incù <i>c<sub>1</sub></i> è <i>c<sub>2</sub></i> i dui cateti d'un triangulu rittangulu qualunqua. L'anguli opposti à i cateti <i>c<sub>1</sub></i> è <i>c<sub>2</sub></i> sarani rispittivamenti <i>γ<sub>1</sub></i> è <i>γ<sub>2</sub></i>. </p> <div class="mw-heading mw-heading3"><h3 id="Dati_l'altri_lati"><span id="Dati_l.27altri_lati"></span>Dati l'altri lati</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=2" title="Mudificà a sezzione: Dati l'altri lati" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=2" title="Edit section's source code: Dati l'altri lati"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A misura d'un catetu equivali à a <a href="/w/index.php?title=Radica_quatrata&action=edit&redlink=1" class="new" title="Radica quatrata (a pàgina ùn esiste micca)">radica quatrata</a> di a <a href="/w/index.php?title=Diffarenza&action=edit&redlink=1" class="new" title="Diffarenza (a pàgina ùn esiste micca)">diffarenza</a> trà i <a href="/w/index.php?title=Quatratu_(algebra)&action=edit&redlink=1" class="new" title="Quatratu (algebra) (a pàgina ùn esiste micca)">quatrati</a> di i misuri di l'iputenusa è di l'altru catetu. St'enunciatu hè una cunclusioni diretta di u <a href="/wiki/Tiurema_di_Pitagora" title="Tiurema di Pitagora">tiurema di Pitagora</a>. </p> <div class="center"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{1}={\sqrt {{i^{2}}-{c_{2}^{2}}}}\qquad c_{2}={\sqrt {{i^{2}}-{c_{1}^{2}}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mrow class="MJX-TeXAtom-ORD"> <msup> <mi>i</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> </mrow> </msqrt> </mrow> <mspace width="2em" /> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mrow class="MJX-TeXAtom-ORD"> <msup> <mi>i</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> </mrow> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{1}={\sqrt {{i^{2}}-{c_{2}^{2}}}}\qquad c_{2}={\sqrt {{i^{2}}-{c_{1}^{2}}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a42ac17439fcf0185565f70b22443d0bf533ddb2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.671ex; width:33.128ex; height:4.843ex;" alt="{\displaystyle c_{1}={\sqrt {{i^{2}}-{c_{2}^{2}}}}\qquad c_{2}={\sqrt {{i^{2}}-{c_{1}^{2}}}}}"></span></div> <div class="mw-heading mw-heading3"><h3 id="Dati_l'iputenusa_è_un_angulu"><span id="Dati_l.27iputenusa_.C3.A8_un_angulu"></span>Dati l'iputenusa è un angulu</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=3" title="Mudificà a sezzione: Dati l'iputenusa è un angulu" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=3" title="Edit section's source code: Dati l'iputenusa è un angulu"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A misura d'un catetu equivali à quidda di l'iputenusa multiplicata par u <a href="/w/index.php?title=Sinu_(trigunumitria)&action=edit&redlink=1" class="new" title="Sinu (trigunumitria) (a pàgina ùn esiste micca)">sinu</a> di l'angulu oppostu, o par u <a href="/wiki/Cusinu" title="Cusinu">cusinu</a> di l'angulu aghjacenti. </p> <div class="center"> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{1}=i\cdot \sin \gamma _{1}=i\cdot \cos \gamma _{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <mi>i</mi> <mo>⋅</mo> <mi>sin</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <mi>i</mi> <mo>⋅</mo> <mi>cos</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{1}=i\cdot \sin \gamma _{1}=i\cdot \cos \gamma _{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2383d965fbc377f852c7eb8c4552e455009b6d3e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:24.479ex; height:2.676ex;" alt="{\displaystyle c_{1}=i\cdot \sin \gamma _{1}=i\cdot \cos \gamma _{2}}"></span><br /> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{2}=i\cdot \sin \gamma _{2}=i\cdot \cos \gamma _{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mi>i</mi> <mo>⋅</mo> <mi>sin</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mi>i</mi> <mo>⋅</mo> <mi>cos</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{2}=i\cdot \sin \gamma _{2}=i\cdot \cos \gamma _{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c53fd5c6ad66166a7ab20a053d8d4a18726ebdd6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:24.479ex; height:2.676ex;" alt="{\displaystyle c_{2}=i\cdot \sin \gamma _{2}=i\cdot \cos \gamma _{1}}"></span> </p> </div> <div class="mw-heading mw-heading3"><h3 id="Dati_l'altru_catetu_è_un_angulu_acutu"><span id="Dati_l.27altru_catetu_.C3.A8_un_angulu_acutu"></span>Dati l'altru catetu è un angulu acutu</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=4" title="Mudificà a sezzione: Dati l'altru catetu è un angulu acutu" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=4" title="Edit section's source code: Dati l'altru catetu è un angulu acutu"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A misura d'un catetu equivali à quidda di l'altru catetu multiplicata par a <a href="/w/index.php?title=Tangenti_(matematica)&action=edit&redlink=1" class="new" title="Tangenti (matematica) (a pàgina ùn esiste micca)">tangenti</a> di l'angulu oppostu à u prima, o par a <a href="/w/index.php?title=Cutangenti&action=edit&redlink=1" class="new" title="Cutangenti (a pàgina ùn esiste micca)">cutangenti</a> di l'angulu aghjacenti. </p> <div class="center"> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{1}=c_{2}\cdot \tan \gamma _{1}=c_{2}\cdot \cot \gamma _{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>⋅</mo> <mi>tan</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>⋅</mo> <mi>cot</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{1}=c_{2}\cdot \tan \gamma _{1}=c_{2}\cdot \cot \gamma _{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d2d4d9d8dfb4a609bf034af4a42e2b71e5ee8d2e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:27.489ex; height:2.509ex;" alt="{\displaystyle c_{1}=c_{2}\cdot \tan \gamma _{1}=c_{2}\cdot \cot \gamma _{2}}"></span><br /> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{2}=c_{1}\cdot \tan \gamma _{2}=c_{1}\cdot \cot \gamma _{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>⋅</mo> <mi>tan</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>⋅</mo> <mi>cot</mi> <mo>⁡</mo> <msub> <mi>γ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{2}=c_{1}\cdot \tan \gamma _{2}=c_{1}\cdot \cot \gamma _{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffb916187ee0d3e3f0ac441d3ba4e07046750d67" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:27.489ex; height:2.509ex;" alt="{\displaystyle c_{2}=c_{1}\cdot \tan \gamma _{2}=c_{1}\cdot \cot \gamma _{1}}"></span> </p> </div> <div class="mw-heading mw-heading2"><h2 id="Cunsidarazioni">Cunsidarazioni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=5" title="Mudificà a sezzione: Cunsidarazioni" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=5" title="Edit section's source code: Cunsidarazioni"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Incù u tiurema di Pitagora hè faciuli à dimustrà ch'è a misura d'un di i cateti hè sempri più minori ch'è quidda di l'iputenusa. Tinendu prisenti ch'è tutti i lati misurani più di zeru: </p> <div class="center"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c_{1}^{2}=i^{2}-c_{2}^{2}\Rightarrow c_{1}^{2}<i^{2}\Rightarrow c_{1}<i}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msubsup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>=</mo> <msup> <mi>i</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <msubsup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo stretchy="false">⇒</mo> <msubsup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo><</mo> <msup> <mi>i</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo stretchy="false">⇒</mo> <msub> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo><</mo> <mi>i</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c_{1}^{2}=i^{2}-c_{2}^{2}\Rightarrow c_{1}^{2}<i^{2}\Rightarrow c_{1}<i}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e5aedba23c872a653f137fe6f9f0735f65c4dd9b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:32.124ex; height:3.343ex;" alt="{\displaystyle c_{1}^{2}=i^{2}-c_{2}^{2}\Rightarrow c_{1}^{2}<i^{2}\Rightarrow c_{1}<i}"></span></div> <p>à a stessa cunclusioni si ghjunghji applichendu u <a href="/w/index.php?title=Tiurema_di_i_sini&action=edit&redlink=1" class="new" title="Tiurema di i sini (a pàgina ùn esiste micca)">tiurema di i sini</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Pruiizioni_di_i_cateti">Pruiizioni di i cateti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=6" title="Mudificà a sezzione: Pruiizioni di i cateti" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=6" title="Edit section's source code: Pruiizioni di i cateti"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I <a href="/w/index.php?title=Pruiizioni_d%27un_sigmentu&action=edit&redlink=1" class="new" title="Pruiizioni d'un sigmentu (a pàgina ùn esiste micca)">pruiizioni</a> di i cateti (<i>α</i>, <i>β</i>) annantu à l'iputenusa sò strittamenti liati à a lunghezza di i cateti (<i>à</i>, <i>b</i>) da i siguenti rilazioni: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\frac {a^{2}}{\alpha }}={\frac {b^{2}}{\beta }}=i}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>α</mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mi>β</mi> </mfrac> </mrow> <mo>=</mo> <mi>i</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {a^{2}}{\alpha }}={\frac {b^{2}}{\beta }}=i}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9507543955a159302e143e4ff0cbb5fbe91d17b6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:13.007ex; height:6.176ex;" alt="{\displaystyle {\frac {a^{2}}{\alpha }}={\frac {b^{2}}{\beta }}=i}"></span>a ghjustificazioni pò essa truvata in u <a href="/w/index.php?title=Prima_tiurema_d%27Euclide&action=edit&redlink=1" class="new" title="Prima tiurema d'Euclide (a pàgina ùn esiste micca)">prima tiurema d'Euclide</a></dd></dl> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a^{2}+\beta ^{2}=b^{2}+\alpha ^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>β</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mi>α</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a^{2}+\beta ^{2}=b^{2}+\alpha ^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f691a3f68d5eca7fbe92519234aff17815f1fcd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:18.048ex; height:3.009ex;" alt="{\displaystyle a^{2}+\beta ^{2}=b^{2}+\alpha ^{2}}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Da_veda_dinò"><span id="Da_veda_din.C3.B2"></span>Da veda dinò</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=7" title="Mudificà a sezzione: Da veda dinò" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=7" title="Edit section's source code: Da veda dinò"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Giumitria&action=edit&redlink=1" class="new" title="Giumitria (a pàgina ùn esiste micca)">Giumitria</a></li> <li><a href="/w/index.php?title=Giumitria_euclidea&action=edit&redlink=1" class="new" title="Giumitria euclidea (a pàgina ùn esiste micca)">Giumitria euclidea</a></li> <li><a href="/wiki/Triangulu" title="Triangulu">Triangulu</a></li> <li><a href="/wiki/Toru_(giumitria)" title="Toru (giumitria)">Toru (giumitria)</a></li> <li><a href="/wiki/Giumitria_piana" title="Giumitria piana">Giumitria piana</a></li> <li><a href="/wiki/Angulu_rettu" title="Angulu rettu">Angulu rettu</a></li> <li><a href="/wiki/Mezaretta" title="Mezaretta">Mezaretta</a></li> <li><a href="/wiki/Perimetru" title="Perimetru">Perimetru</a></li> <li><a href="/wiki/Sigmentu" title="Sigmentu">Sigmentu</a></li> <li><a href="/wiki/Triangulu_isusceli" title="Triangulu isusceli">Triangulu isusceli</a></li> <li><a href="/wiki/Triangulu_equilateru" title="Triangulu equilateru">Triangulu equilateru</a></li> <li><a href="/wiki/Tiurema_di_Pitagora" title="Tiurema di Pitagora">Tiurema di Pitagora</a></li> <li><a href="/wiki/Iputenusa" title="Iputenusa">Iputenusa</a></li> <li><a href="/wiki/Tangenti" title="Tangenti">Tangenti</a></li> <li><a href="/wiki/Trigunumitria" title="Trigunumitria">Trigunumitria</a></li> <li><a href="/wiki/Uttaedru" title="Uttaedru">Uttaedru</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Noti">Noti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=8" title="Mudificà a sezzione: Noti" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=8" title="Edit section's source code: Noti"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Fonti">Fonti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Catetu&veaction=edit&section=9" title="Mudificà a sezzione: Fonti" class="mw-editsection-visualeditor"><span>mudificà</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Catetu&action=edit&section=9" title="Edit section's source code: Fonti"><span>edità a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>'Ss'articulu pruveni in parti o in tutalità da l'articulu currispundenti di a wikipedia in talianu. </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; 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