{"id":24064,"date":"2022-12-31T02:50:45","date_gmt":"2022-12-31T02:50:45","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=24064"},"modified":"2023-01-17T23:32:51","modified_gmt":"2023-01-17T23:32:51","slug":"a-linha-a-tracejado-e-eixo-de-simetria-da-figura","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=24064","title":{"rendered":"A linha a tracejado \u00e9 eixo de simetria da figura"},"content":{"rendered":"\n<p><ul id='GTTabs_ul_24064' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_24064' class='GTTabs_curr'><a  id=\"24064_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_24064' ><a  id=\"24064_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_24064'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>A linha a tracejado \u00e9 eixo de simetria da figura sombreada.<\/p>\n<p><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"24065\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=24065\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2.png\" data-orig-size=\"321,216\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"8_Pag106-2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2.png\" class=\"aligncenter wp-image-24065\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2-300x202.png\" alt=\"\" width=\"260\" height=\"175\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2-300x202.png 300w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2.png 321w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/><\/a><\/p>\n<p>Calcula, em cent\u00edmetros, o per\u00edmetro da figura, tendo em conta os comprimentos indicados.<br>Apresenta todos os c\u00e1lculos que efetuares.<\/p>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_24064' onClick='GTTabs_show(1,24064)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_24064'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<p>A linha a tracejado \u00e9 eixo de simetria da figura sombreada.<\/p>\n<p><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"24070\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=24070\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas.png\" data-orig-size=\"321,216\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"8_Pag106-2_medidas\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas.png\" class=\"aligncenter wp-image-24070\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas-300x202.png\" alt=\"\" width=\"260\" height=\"175\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas-300x202.png 300w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_medidas.png 321w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/><\/a><\/p>\n<p>Conv\u00e9m reparar que <span style=\"color: #0000ff;\">\\(a + b = 15\\)<\/span> cm e que <span style=\"color: #008000;\">\\(c + d = 17\\)<\/span> cm.<\/p>\n<p>Assim, o per\u00edmetro da figura \u00e9 \\(P = 2 \\times \\left( {15 + 17 + 15} \\right) = 2 \\times 47 = 94\\)&nbsp;cm.<\/p>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_24064' onClick='GTTabs_show(0,24064)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado A linha a tracejado \u00e9 eixo de simetria da figura sombreada. Calcula, em cent\u00edmetros, o per\u00edmetro da figura, tendo em conta os comprimentos indicados.Apresenta todos os c\u00e1lculos que efetuares. Resolu\u00e7\u00e3o &gt;&gt;&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":24066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[100,97,685],"tags":[424,697,67,694],"series":[],"class_list":["post-24064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8--ano","category-aplicando","category-isometrias","tag-8-o-ano","tag-eixo-de-simetria","tag-geometria","tag-simetria-de-reflexao"],"views":344,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2022\/12\/8_Pag106-2_520x245.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/24064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24064"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/24064\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/24066"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24064"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=24064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}