{"id":8474,"date":"2023-10-06T01:41:00","date_gmt":"2023-10-06T00:41:00","guid":{"rendered":"https:\/\/exos.education\/fr\/exercice-math-geometrie-espace-niveau-5eme\/"},"modified":"2023-08-21T14:54:39","modified_gmt":"2023-08-21T13:54:39","slug":"exercice-math-geometrie-espace-niveau-5eme","status":"publish","type":"post","link":"https:\/\/exos.education\/fr\/exercice-math-geometrie-espace-niveau-5eme\/","title":{"rendered":"Exercice Math G\u00e9ometrie Espace Niveau 5\u00e8me"},"content":{"rendered":"<p>Points importants du cours :<br \/>En g\u00e9om\u00e9trie dans l&rsquo;espace, nous avons diff\u00e9rents types de solides comme les cubes, les pyramides, les cylindres etc. Chaque solide a des faces (qui sont des figures planes), des ar\u00eates (o\u00f9 deux faces se rencontrent) et des sommets (o\u00f9 plusieurs ar\u00eates se rencontrent).<\/p>\n<p>Consignes pour l&rsquo;exercice :<\/p>\n<p>Observez attentivement le solide ci-dessous. Il s&rsquo;agit d&rsquo;un prisme droit dont les bases sont des hexagones r\u00e9guliers.<\/p>\n<p>1. Combien de faces a ce prisme ?<\/p>\n<p>2. Combien d&rsquo;ar\u00eates compte-t-il ?<\/p>\n<p>3. Et combien de sommets peut-on y observer ?<\/p>\n<p><img decoding=\"async\" draggable=false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f50d.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f4ad.svg\"> Prenez votre temps pour observer attentivement le solide et n&rsquo;h\u00e9sitez pas \u00e0 prendre un papier et un crayon pour vous aider si n\u00e9cessaire.<\/p>\n<p>R\u00e9ponses :<\/p>\n<p>1. Ce prisme droit a 8 faces : 2 hexagones r\u00e9guliers qui sont ses bases et 6 rectangles qui forment le reste du solide.<br \/>2. En tout il y a 18 ar\u00eates : chaque hexagone en compte 6 (donc au total on en a 12) plus les six autres du prisme lui-m\u00eame.<br \/>3 . On observe 12 sommets sur ce prisme droit: chaque hexagone dispose de six coins.<\/p>\n<p>Cet exercice est adapt\u00e9 aux \u00e9l\u00e8ves car il permet de renforcer la connaissance acquise lors du cours sur la g\u00e9om\u00e9trie dans l&rsquo;espacenotamment sur la d\u00e9compositon d&rsquo;un solide en diff\u00e9rentes parties : facesar\u00eates et sommets. L&rsquo;exercice requiert une simple observation visuelle sans n\u00e9cessit\u00e9 d&rsquo;une adaptation particuli\u00e8re <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f50e.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u2705\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/2705.svg\">.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Points importants du cours :En g\u00e9om\u00e9trie dans l&rsquo;espace, nous avons diff\u00e9rents types de solides comme les cubes, les pyramides, les cylindres etc. Chaque solide a des faces (qui sont des figures planes), des ar\u00eates (o\u00f9 deux faces se rencontrent) et des sommets (o\u00f9 plusieurs ar\u00eates se rencontrent). Consignes pour l&rsquo;exercice : Observez attentivement le solide [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[7,19,5,4,318,1],"tags":[],"class_list":["post-8474","post","type-post","status-publish","format-standard","hentry","category-mathematiques","category-5eme","category-niveaux","category-matieres","category-pas-dadaptation-particuliere","category-exercices-pedagogiques-imprimables-et-gratuits"],"_links":{"self":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/comments?post=8474"}],"version-history":[{"count":0,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8474\/revisions"}],"wp:attachment":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/media?parent=8474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/categories?post=8474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/tags?post=8474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}