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Available in 50 languages" > <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-50" 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">50 kalbų</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%AD%D8%A7%D9%81%D8%A9_(%D9%87%D9%86%D8%AF%D8%B3%D8%A9)" title="حافة (هندسة) – arabų" lang="ar" hreflang="ar" data-title="حافة (هندسة)" data-language-autonym="العربية" data-language-local-name="arabų" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ay mw-list-item"><a href="https://ay.wikipedia.org/wiki/Ari" title="Ari – aimarų" lang="ay" hreflang="ay" data-title="Ari" data-language-autonym="Aymar aru" data-language-local-name="aimarų" class="interlanguage-link-target"><span>Aymar aru</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B6%DB%8C%D9%84%D8%B9_(%D9%87%D9%86%D8%AF%D8%B3%D9%87)" title="ضیلع (هندسه) – South Azerbaijani" lang="azb" hreflang="azb" data-title="ضیلع (هندسه)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A0%D1%8A%D0%B1" title="Ръб – bulgarų" lang="bg" hreflang="bg" data-title="Ръб" data-language-autonym="Български" data-language-local-name="bulgarų" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A6%BE%E0%A6%B9%E0%A7%81_(%E0%A6%9C%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%A4%E0%A6%BF)" title="বাহু (জ্যামিতি) – bengalų" lang="bn" hreflang="bn" data-title="বাহু (জ্যামিতি)" data-language-autonym="বাংলা" data-language-local-name="bengalų" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Aresta_(geometria)" title="Aresta (geometria) – katalonų" lang="ca" hreflang="ca" data-title="Aresta (geometria)" data-language-autonym="Català" data-language-local-name="katalonų" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%84%D8%A7" title="لا – soranių kurdų" lang="ckb" hreflang="ckb" data-title="لا" data-language-autonym="کوردی" data-language-local-name="soranių kurdų" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Strana_(geometrie)" title="Strana (geometrie) – čekų" lang="cs" hreflang="cs" data-title="Strana (geometrie)" data-language-autonym="Čeština" data-language-local-name="čekų" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%90%D1%8F%D0%BA_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8)" title="Аяк (геометри) – čiuvašų" lang="cv" hreflang="cv" data-title="Аяк (геометри)" data-language-autonym="Чӑвашла" data-language-local-name="čiuvašų" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Ymyl" title="Ymyl – valų" lang="cy" hreflang="cy" data-title="Ymyl" data-language-autonym="Cymraeg" data-language-local-name="valų" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Edge_(geometry)" title="Edge (geometry) – anglų" lang="en" hreflang="en" data-title="Edge (geometry)" data-language-autonym="English" data-language-local-name="anglų" 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/Latero" title="Latero – esperanto" lang="eo" hreflang="eo" data-title="Latero" 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/Arista_(geometr%C3%ADa)" title="Arista (geometría) – ispanų" lang="es" hreflang="es" data-title="Arista (geometría)" data-language-autonym="Español" data-language-local-name="ispanų" 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/Serv" title="Serv – estų" lang="et" hreflang="et" data-title="Serv" data-language-autonym="Eesti" data-language-local-name="estų" 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/Ertz_(geometria)" title="Ertz (geometria) – baskų" lang="eu" hreflang="eu" data-title="Ertz (geometria)" data-language-autonym="Euskara" data-language-local-name="baskų" 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%B6%D9%84%D8%B9" title="ضلع – persų" lang="fa" hreflang="fa" data-title="ضلع" data-language-autonym="فارسی" data-language-local-name="persų" 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/S%C3%A4rm%C3%A4_(geometria)" title="Särmä (geometria) – suomių" lang="fi" hreflang="fi" data-title="Särmä (geometria)" data-language-autonym="Suomi" data-language-local-name="suomių" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ar%C3%AAte_(g%C3%A9om%C3%A9trie)" title="Arête (géométrie) – prancūzų" lang="fr" hreflang="fr" data-title="Arête (géométrie)" data-language-autonym="Français" data-language-local-name="prancūzų" 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/Aresta" title="Aresta – galisų" lang="gl" hreflang="gl" data-title="Aresta" data-language-autonym="Galego" data-language-local-name="galisų" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%9C%D7%A2_(%D7%92%D7%90%D7%95%D7%9E%D7%98%D7%A8%D7%99%D7%94)" title="צלע (גאומטריה) – hebrajų" lang="he" hreflang="he" data-title="צלע (גאומטריה)" data-language-autonym="עברית" data-language-local-name="hebrajų" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Brid" title="Brid – kroatų" lang="hr" hreflang="hr" data-title="Brid" data-language-autonym="Hrvatski" data-language-local-name="kroatų" 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/B%C3%B2" title="Bò – Haičio" lang="ht" hreflang="ht" data-title="Bò" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haičio" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D5%B8%D5%B2_(%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="Կող (երկրաչափություն) – armėnų" lang="hy" hreflang="hy" data-title="Կող (երկրաչափություն)" data-language-autonym="Հայերեն" data-language-local-name="armėnų" 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/Sisi_(geometri)" title="Sisi (geometri) – indoneziečių" lang="id" hreflang="id" data-title="Sisi (geometri)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziečių" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Spigolo" title="Spigolo – italų" lang="it" hreflang="it" data-title="Spigolo" data-language-autonym="Italiano" data-language-local-name="italų" 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%BE%BA" title="辺 – japonų" lang="ja" hreflang="ja" data-title="辺" data-language-autonym="日本語" data-language-local-name="japonų" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Iri_(tanzeggit)" title="Iri (tanzeggit) – kebailų" lang="kab" hreflang="kab" data-title="Iri (tanzeggit)" data-language-autonym="Taqbaylit" data-language-local-name="kebailų" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AA%A8%EC%84%9C%EB%A6%AC" title="모서리 – korėjiečių" lang="ko" hreflang="ko" data-title="모서리" data-language-autonym="한국어" data-language-local-name="korėjiečių" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C5%A0%C4%B7autne" title="Šķautne – latvių" lang="lv" hreflang="lv" data-title="Šķautne" data-language-autonym="Latviešu" data-language-local-name="latvių" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B1_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%98%D0%B0)" title="Раб (геометрија) – makedonų" lang="mk" hreflang="mk" data-title="Раб (геометрија)" data-language-autonym="Македонски" data-language-local-name="makedonų" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Sisi_(geometri)" title="Sisi (geometri) – malajiečių" lang="ms" hreflang="ms" data-title="Sisi (geometri)" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiečių" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ribbe" title="Ribbe – olandų" lang="nl" hreflang="nl" data-title="Ribbe" data-language-autonym="Nederlands" data-language-local-name="olandų" 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/Kant_i_geometri" title="Kant i geometri – naujoji norvegų" lang="nn" hreflang="nn" data-title="Kant i geometri" data-language-autonym="Norsk nynorsk" data-language-local-name="naujoji norvegų" 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/Kant_(geometri)" title="Kant (geometri) – norvegų bukmolas" lang="nb" hreflang="nb" data-title="Kant (geometri)" data-language-autonym="Norsk bokmål" data-language-local-name="norvegų bukmolas" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kraw%C4%99d%C5%BA_(stereometria)" title="Krawędź (stereometria) – lenkų" lang="pl" hreflang="pl" data-title="Krawędź (stereometria)" data-language-autonym="Polski" data-language-local-name="lenkų" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Aresta" title="Aresta – portugalų" lang="pt" hreflang="pt" data-title="Aresta" data-language-autonym="Português" data-language-local-name="portugalų" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Latur%C4%83_(geometrie)" title="Latură (geometrie) – rumunų" lang="ro" hreflang="ro" data-title="Latură (geometrie)" data-language-autonym="Română" data-language-local-name="rumunų" 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%A0%D0%B5%D0%B1%D1%80%D0%BE_(%D0%B3%D0%B5%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D1%8F)" title="Ребро (геометрия) – rusų" lang="ru" hreflang="ru" data-title="Ребро (геометрия)" data-language-autonym="Русский" data-language-local-name="rusų" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Side" title="Side – Simple English" lang="en-simple" hreflang="en-simple" data-title="Side" 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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Stranica" title="Stranica – slovėnų" lang="sl" hreflang="sl" data-title="Stranica" data-language-autonym="Slovenščina" data-language-local-name="slovėnų" 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/Brinja_(gjeometri)" title="Brinja (gjeometri) – albanų" lang="sq" hreflang="sq" data-title="Brinja (gjeometri)" data-language-autonym="Shqip" data-language-local-name="albanų" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kant_(geometri)" title="Kant (geometri) – švedų" lang="sv" hreflang="sv" data-title="Kant (geometri)" data-language-autonym="Svenska" data-language-local-name="švedų" 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src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/15px-Disambig.svg.png" decoding="async" width="15" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/23px-Disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/30px-Disambig.svg.png 2x" data-file-width="230" data-file-height="183" /></a></span> <i>Šis straipsnis apie geometrinę sąvoką. Apie kaimą skaitykite straipsnyje <a href="/wiki/Kra%C5%A1tin%C4%97_(kaimas)" class="mw-redirect" title="Kraštinė (kaimas)">Kraštinė (kaimas)</a>.</i></div></dd></dl> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Vaizdas:Geometrie_carre.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Geometrie_carre.png/220px-Geometrie_carre.png" decoding="async" width="220" height="221" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Geometrie_carre.png/330px-Geometrie_carre.png 1.5x, //upload.wikimedia.org/wikipedia/commons/b/b3/Geometrie_carre.png 2x" data-file-width="342" data-file-height="343" /></a><figcaption><a href="/wiki/Kvadratas" title="Kvadratas">Kvadratas</a> su keturiomis kraštinėmis: AB, BC, CD, AD</figcaption></figure> <p><b>Kraštinė</b> – krašto (šono) linija, jungianti du daugiakampio <a href="/wiki/Ta%C5%A1kas_(geometrija)" title="Taškas (geometrija)">taškus</a>. </p><p>Kiek daugiakampis turi kampų, tiek turės ir kraštinių. Dviejų kraštinių susikirtimo taškas vadinamas <i>viršūne</i>. </p><p>Kraštinės žymimos viena mažąja raide arba dvejomis didžiosiomis raidėmis, kurios yra gretimi kraštinei kampai. </p><p>Erdviniuose daugiakampiuose kraštinė vadinama <b>briauna</b> - tai dviejų <a href="/wiki/Plok%C5%A1tuma" title="Plokštuma">plokštumų</a> sandūros linija. </p> <div class="mw-heading mw-heading2"><h2 id="Kraštinių_skaičius_išgaubtame_daugiakampyje"><span id="Kra.C5.A1tini.C5.B3_skai.C4.8Dius_i.C5.A1gaubtame_daugiakampyje"></span>Kraštinių skaičius išgaubtame daugiakampyje</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&veaction=edit&section=1" title="Redaguoti skyrelį: Kraštinių skaičius išgaubtame daugiakampyje" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&action=edit&section=1" title="Edit section's source code: Kraštinių skaičius išgaubtame daugiakampyje"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Kraštinių (briaunų) skaičius išgaubtame <a href="/wiki/Daugiakampis" title="Daugiakampis">daugiakampyje</a> gali būti apskaičiuojamas naudojant <a href="/wiki/Oilerio_charakteristika" title="Oilerio charakteristika">Oilerio charakteristiką</a>:<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> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-display mwe-math-mathml-a11y" style="display: none;"><math display="block" xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V-A+F=2,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>V</mi> <mo>−</mo> <mi>A</mi> <mo>+</mo> <mi>F</mi> <mo>=</mo> <mn>2</mn> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V-A+F=2,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fbd7c1e7f1129aa6ba3ec17b1920102209a3d0de" class="mwe-math-fallback-image-display mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:15.86ex; height:2.509ex;" alt="{\displaystyle V-A+F=2,}"></span></dd></dl> <p>čia <i>V</i> - viršūnių skaičius, <i>A</i> - kraštinių skaičius, <i>F</i> - sienų skaičius. Vadinasi, kraštinių skaičius yra dviem vienetais mažesnis už viršūnių ir sienų skaičių. Pavyzdžiui, kubas turi 8 viršūnes ir 6 sienas, todėl jis turi 12 kraštinių. </p> <div class="mw-heading mw-heading2"><h2 id="Galerija">Galerija</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&veaction=edit&section=2" title="Redaguoti skyrelį: Galerija" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&action=edit&section=2" title="Edit section's source code: Galerija"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" align="left" width="600"> <tbody><tr valign="top"> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/Vaizdas:Triangle.TrigArea.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Triangle.TrigArea.svg/165px-Triangle.TrigArea.svg.png" decoding="async" width="165" height="148" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Triangle.TrigArea.svg/248px-Triangle.TrigArea.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Triangle.TrigArea.svg/330px-Triangle.TrigArea.svg.png 2x" data-file-width="165" data-file-height="148" /></a></span><br /><a href="/wiki/Trikampis" title="Trikampis">Trikampis</a> turi tris kraštines AB, BC ir CA, kiekviena yra tarp dviejų jo viršūnių. </td> <td><span typeof="mw:File"><a href="/wiki/Vaizdas:Square_(geometry).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Square_%28geometry%29.svg/120px-Square_%28geometry%29.svg.png" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Square_%28geometry%29.svg/180px-Square_%28geometry%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Square_%28geometry%29.svg/240px-Square_%28geometry%29.svg.png 2x" data-file-width="120" data-file-height="120" /></a></span><br />Šis <a href="/wiki/Daugiakampis" title="Daugiakampis">daugiakampis</a> yra <a href="/wiki/Kvadratas" title="Kvadratas">kvadratas</a> ir turi 4 kraštines. </td> <td><span typeof="mw:File"><a href="/wiki/Vaizdas:Hexahedron.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Hexahedron.png/120px-Hexahedron.png" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Hexahedron.png/180px-Hexahedron.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/33/Hexahedron.png/240px-Hexahedron.png 2x" data-file-width="1000" data-file-height="1000" /></a></span><br />Kiekviena kraštinė (vadinama briauna) priklauso dvejoms <a href="/wiki/Kubas" title="Kubas">kubo</a> sienoms. </td> <td><span typeof="mw:File"><a href="/wiki/Vaizdas:Hypercube.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Hypercube.svg/120px-Hypercube.svg.png" decoding="async" width="120" height="130" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Hypercube.svg/180px-Hypercube.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/Hypercube.svg/240px-Hypercube.svg.png 2x" data-file-width="417" data-file-height="453" /></a></span><br />Kiekviena <a href="/wiki/Teseraktas" title="Teseraktas">teserakto</a> kraštinė (briauna) priklauso vienai arba daugiau sienų. </td></tr></tbody></table> <p><br clear="all" /> </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Šaltiniai"><span id=".C5.A0altiniai"></span>Šaltiniai</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&veaction=edit&section=3" title="Redaguoti skyrelį: Šaltiniai" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Kra%C5%A1tin%C4%97&action=edit&section=3" title="Edit section's source code: Šaltiniai"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r7182515">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britannica.com/science/Euler-characteristic">„Euler characteristic | Polyhedra, Topology, Geometry“</a>. <i>Encyclopedia Britannica</i><span class="reference-accessdate">. Nuoroda tikrinta <span class="nowrap">2024-02-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Encyclopedia+Britannica&rft.atitle=Euler+characteristic+%7C+Polyhedra%2C+Topology%2C+Geometry&rft_id=https%3A%2F%2Fwww.britannica.com%2Fscience%2FEuler-characteristic&rfr_id=info%3Asid%2Flt.wikipedia.org%3AKra%C5%A1tin%C4%97" class="Z3988"></span></span> </li> </ol> </div> <div class="boilerplate metadata plainlinks" id="stub" style="border-collapse:collapse;font-size:95%"> <table cellpadding="2" cellspacing="0" style="background-color: transparent; color:inherit"> <tbody><tr> <td class="noresize"><span typeof="mw:File"><a href="/wiki/Vaizdas:Dodecahedron.svg" class="mw-file-description" title="Nebaigta"><img alt="Nebaigta" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/35px-Dodecahedron.svg.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/53px-Dodecahedron.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Dodecahedron.svg/70px-Dodecahedron.svg.png 2x" data-file-width="300" data-file-height="300" /></a></span>   </td> <td><i>Šis su <b>geometrija</b> susijęs straipsnis yra <b><a href="/wiki/Vikipedija:Nebaigtas_straipsnis" title="Vikipedija:Nebaigtas straipsnis">nebaigtas</a></b>. Jūs galite prisidėti prie Vikipedijos <a class="external text" href="https://lt.wikipedia.org/w/index.php?title=Kra%C5%A1tin%C4%97&action=edit">papildydami</a> šį straipsnį.</i> </td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Rodomas puslapis "<a dir="ltr" href="https://lt.wikipedia.org/w/index.php?title=Kraštinė&oldid=7178059">https://lt.wikipedia.org/w/index.php?title=Kraštinė&oldid=7178059</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Specialus:Kategorijos" title="Specialus:Kategorijos">Kategorijos</a>: <ul><li><a href="/wiki/Kategorija:Nepilni_Geometrija" title="Kategorija:Nepilni Geometrija">Nepilni Geometrija</a></li><li><a href="/wiki/Kategorija:Elementarioji_geometrija" title="Kategorija:Elementarioji geometrija">Elementarioji geometrija</a></li><li><a href="/wiki/Kategorija:Politopai" title="Kategorija:Politopai">Politopai</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Šis puslapis paskutinį kartą keistas 3 vasario 2024 00:05.</li> <li id="footer-info-copyright">Tekstas pateikiamas pagal <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution/Share-Alike Licenciją</a>; gali būti taikomos papildomos sąlygos. 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