{"id":928,"date":"2023-01-13T23:31:01","date_gmt":"2023-01-13T21:31:01","guid":{"rendered":"https:\/\/cedra.academy\/?p=928"},"modified":"2023-03-30T23:33:13","modified_gmt":"2023-03-30T20:33:13","slug":"aria","status":"publish","type":"post","link":"https:\/\/cedra.academy\/?p=928","title":{"rendered":"ARIA"},"content":{"rendered":"\n<p><strong>Aria<\/strong>&nbsp;unei&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Suprafa%C8%9B%C4%83\">suprafe\u021be<\/a>&nbsp;este o m\u0103rime asociat\u0103 unei suprafe\u021be, care exprim\u0103 cantitativ, adic\u0103 printr-o valoare numeric\u0103, proprietatea c\u00e2t de \u00eentins\u0103 este acea suprafa\u021b\u0103. Adesea cuv\u00e2ntul&nbsp;<em>suprafa\u021b\u0103<\/em>&nbsp;se utilizeaz\u0103 cu sensul de&nbsp;<em>arie<\/em>.<\/p>\n\n\n\n<p>\u00cen&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Matematic%C4%83\">matematic\u0103<\/a>, valoarea numeric\u0103 a m\u0103rimii geometrice arie este un&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Num%C4%83r_real\">num\u0103r real<\/a>, \u00een general pozitiv. \u00cen&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Fizic%C4%83\">fizic\u0103<\/a>,&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Inginerie\">inginerie<\/a>,&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Geodezie\">geodezie<\/a>&nbsp;etc, aria este o&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/M%C4%83rime_fizic%C4%83\">m\u0103rime fizic\u0103<\/a>&nbsp;\u0219i ca atare are asociat\u0103 o&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Unitate_de_m%C4%83sur%C4%83\">unitate de m\u0103sur\u0103<\/a>. Unitatea de m\u0103sur\u0103 pentru arie \u00een&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Sistemul_Interna%C8%9Bional\">Sistemul Interna\u021bional<\/a>&nbsp;este&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Metru_p%C4%83trat\">metrul p\u0103trat<\/a>, av\u00e2nd simbolul \u201em\u00b2\u201d.<\/p>\n\n\n\n<p>Pentru cazuri particulare, aria se poate defini astfel:<\/p>\n\n\n\n<ul>\n<li>aria unui&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Triunghi\">triunghi<\/a>&nbsp;este jum\u0103tate din produsul dintre lungimea unei laturi \u0219i distan\u021ba (lungimea perpendicularei) de la al treilea v\u00e2rf pe latura respectiv\u0103. Se demonsteaz\u0103 c\u0103 valoarea este independent\u0103 de latura aleas\u0103.<\/li>\n\n\n\n<li>aria unui&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Poligon\">poligon<\/a>&nbsp;este suma ariilor triunghiurilor \u00een care se descompune poligonul. Se demonstreaz\u0103 c\u0103 valoarea ei este independent\u0103 de alegerea descompunerii.<\/li>\n\n\n\n<li>aria unui&nbsp;<a href=\"https:\/\/ro.wikipedia.org\/wiki\/Dreptunghi\">dreptunghi<\/a>&nbsp;este produsul lungimii unei laturi cu latimea .<\/li>\n\n\n\n<li>aria unui triunghi echilateral este latura la patrat inmultita cu radical din 3, totul supra 4.<\/li>\n\n\n\n<li>aria unui p\u0103trat este latura la puterea a 2 a.<\/li>\n\n\n\n<li>aria unui triunghi dreptunghic isoscel este cateta la patrat supra 2.<\/li>\n\n\n\n<li>aria unui romb este diagonala 1 ori diagonala 2 , totul supra 2<\/li>\n\n\n\n<li>aria unui trapez este baza mare + baza mica ori inaltimea trapezului totul supra 2<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-07fecf23-e575-45a9-bacd-031113f15a3d\" href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2023\/03\/Aria.pptx\">Aria<\/a><a href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2023\/03\/Aria.pptx\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-07fecf23-e575-45a9-bacd-031113f15a3d\">Descarc\u0103<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Aria&nbsp;unei&nbsp;suprafe\u021be&nbsp;este o m\u0103rime asociat\u0103 unei suprafe\u021be, care exprim\u0103 cantitativ, adic\u0103 printr-o valoare numeric\u0103, proprietatea c\u00e2t de \u00eentins\u0103 este acea suprafa\u021b\u0103. Adesea cuv\u00e2ntul&nbsp;suprafa\u021b\u0103&nbsp;se utilizeaz\u0103 cu sensul de&nbsp;arie. \u00cen&nbsp;matematic\u0103, valoarea numeric\u0103 a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":929,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,10],"tags":[],"_links":{"self":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/928"}],"collection":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=928"}],"version-history":[{"count":1,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/928\/revisions"}],"predecessor-version":[{"id":931,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/928\/revisions\/931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/media\/929"}],"wp:attachment":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}