{"id":1682,"date":"2026-03-09T09:57:55","date_gmt":"2026-03-09T15:57:55","guid":{"rendered":"https:\/\/portal.pronea.gt\/?p=1682"},"modified":"2026-03-09T09:57:55","modified_gmt":"2026-03-09T15:57:55","slug":"triangulos-clasificacion-calculo-del-perimetro-y-del-area","status":"publish","type":"post","link":"https:\/\/portal.pronea.gt\/?p=1682","title":{"rendered":"Tri\u00e1ngulos: clasificaci\u00f3n, c\u00e1lculo del per\u00edmetro y del \u00e1rea"},"content":{"rendered":"<h1>\u00bfQu\u00e9 es un tri\u00e1ngulo?<\/h1>\n<p style=\"font-weight: 400;\">Un\u00a0<strong>tri\u00e1ngulo<\/strong>\u00a0es una figura geom\u00e9trica formada por tres lados, tres v\u00e9rtices y tres \u00e1ngulos. Es una de las formas m\u00e1s b\u00e1sicas y fundamentales de la geometr\u00eda.<\/p>\n<p style=\"font-weight: 400;\">Los tri\u00e1ngulos se utilizan para estudiar relaciones espaciales y resolver problemas matem\u00e1ticos relacionados con medidas y formas. En el video que acompa\u00f1a este contenido podr\u00e1s comprender paso a paso c\u00f3mo clasificar tri\u00e1ngulos y calcular su per\u00edmetro y \u00e1rea mediante ejemplos claros. Mira:<\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVrkhAjHDFU?si=jHOAKtcLh91CY7ni\" width=\"1120\" height=\"730\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/p>\n<h2>Clasificaci\u00f3n de los tri\u00e1ngulos<\/h2>\n<p style=\"font-weight: 400;\">Los tri\u00e1ngulos pueden clasificarse de dos maneras principales:<\/p>\n<p style=\"font-weight: 400;\"><strong>Seg\u00fan sus lados<\/strong><\/p>\n<ul style=\"font-weight: 400;\">\n<li><strong>Equil\u00e1tero:<\/strong>\u00a0tiene tres lados iguales.<\/li>\n<li><strong>Is\u00f3sceles:<\/strong>\u00a0tiene dos lados iguales.<\/li>\n<li><strong>Escaleno:<\/strong>\u00a0todos sus lados son diferentes.<\/li>\n<\/ul>\n<p style=\"font-weight: 400;\"><strong>Seg\u00fan sus \u00e1ngulos<\/strong><\/p>\n<ul style=\"font-weight: 400;\">\n<li><strong>Acut\u00e1ngulo:<\/strong>\u00a0todos sus \u00e1ngulos son menores de 90\u00b0.<\/li>\n<li><strong>Rect\u00e1ngulo:<\/strong>\u00a0tiene un \u00e1ngulo de 90\u00b0.<\/li>\n<li><strong>Obtus\u00e1ngulo:<\/strong>\u00a0posee un \u00e1ngulo mayor de 90\u00b0.<\/li>\n<\/ul>\n<h2>Per\u00edmetro de un tri\u00e1ngulo<\/h2>\n<p style=\"font-weight: 400;\">El\u00a0<strong>per\u00edmetro<\/strong>\u00a0se obtiene sumando la longitud de sus tres lados.<\/p>\n<p style=\"font-weight: 400;\">Per\u00edmetro = lado 1 + lado 2 + lado 3<\/p>\n<p style=\"font-weight: 400;\">Este c\u00e1lculo permite conocer la medida total del contorno de la figura.<\/p>\n<h2>\u00c1rea de un tri\u00e1ngulo<\/h2>\n<p style=\"font-weight: 400;\">El\u00a0<strong>\u00e1rea<\/strong>\u00a0representa la superficie que ocupa el tri\u00e1ngulo. Se calcula mediante la f\u00f3rmula:<\/p>\n<p style=\"font-weight: 400;\">\u00c1rea = (base \u00d7 altura) \u00f7 2<\/p>\n<p style=\"font-weight: 400;\">Este procedimiento permite determinar el espacio interior de la figura.<\/p>\n<h1>Aprende con PRONEA<\/h1>\n<p style=\"font-weight: 400;\">El\u00a0Programa Nacional de Educaci\u00f3n Alternativa\u00a0brinda oportunidades educativas para j\u00f3venes y adultos que desean continuar su formaci\u00f3n acad\u00e9mica. Este programa es impulsado por el\u00a0Ministerio de Educaci\u00f3n de Guatemala.<\/p>\n<p style=\"font-weight: 400;\"><strong>Inscr\u00edbete y sigue construyendo nuevas oportunidades a trav\u00e9s de la educaci\u00f3n.<\/strong><\/p>\n<p style=\"font-weight: 400;\">S\u00edguenos en nuestras redes sociales y visita nuestro portal:<br \/>\nFacebook: <a href=\"https:\/\/www.facebook.com\/pronea.edu.gt\">https:\/\/www.facebook.com\/pronea.edu.gt<\/a><br \/>\nYouTube: <a href=\"http:\/\/www.youtube.com\/@pronea.502\">www.youtube.com\/@pronea.502<\/a><br \/>\nTikTok: <a href=\"https:\/\/www.tiktok.com\/@pronea.edu\">https:\/\/www.tiktok.com\/@pronea.edu<\/a><br \/>\nP\u00e1gina web: <a href=\"http:\/\/www.portal.pronea.gt\/\">www.portal.pronea.gt<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 es un tri\u00e1ngulo? Un\u00a0tri\u00e1ngulo\u00a0es una figura geom\u00e9trica formada por tres lados, tres v\u00e9rtices y tres \u00e1ngulos. Es una de&#8230;<\/p>\n","protected":false},"author":8,"featured_media":1684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[33,39],"tags":[77,59,89,76,60,57,91],"class_list":["post-1682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matematicas","category-recursos","tag-educacion-alternativa","tag-estudiar","tag-geometria","tag-guatemala","tag-matematicas","tag-pronea","tag-triangulos"],"_links":{"self":[{"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/posts\/1682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1682"}],"version-history":[{"count":2,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/posts\/1682\/revisions"}],"predecessor-version":[{"id":1685,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/posts\/1682\/revisions\/1685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=\/wp\/v2\/media\/1684"}],"wp:attachment":[{"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/portal.pronea.gt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}