{"id":571,"date":"2021-01-03T15:49:20","date_gmt":"2021-01-03T14:49:20","guid":{"rendered":"http:\/\/lecahierdemath.fr\/?p=571"},"modified":"2026-01-14T23:30:40","modified_gmt":"2026-01-14T22:30:40","slug":"m4-le-perimetre","status":"publish","type":"post","link":"http:\/\/lecahierdemath.fr\/index.php\/2021\/01\/03\/m4-le-perimetre\/","title":{"rendered":"M4 &#8211; Le p\u00e9rim\u00e8tre"},"content":{"rendered":"\n<p>Le <span class=\"has-inline-color has-luminous-vivid-orange-color\">p\u00e9rim\u00e8tre<\/span> est la longueur du contour d&rsquo;une figure.<\/p>\n\n\n\n<p>Pour certaines figures, il faut conna\u00eetre les formules pour calculer le p\u00e9rim\u00e8tre par c\u0153ur : <\/p>\n\n\n\n<p>Pour le carr\u00e9 : P = 4 x C<\/p>\n\n\n\n<p>Pour le rectangle : P = (L + l) x 2<\/p>\n\n\n\n<p>Pour le cercle : P = D x Pi<\/p>\n\n\n\n<p>Pi = 3,14<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Ca3-La-multiplication.pdf\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier.jpg\" alt=\"\" class=\"wp-image-22\" width=\"72\" height=\"48\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier.jpg 550w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier-300x200.jpg 300w\" sizes=\"auto, (max-width: 72px) 100vw, 72px\" \/><\/a><figcaption><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/M4-Le-perimetre.pdf\">la carte mentale<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg\" alt=\"\" class=\"wp-image-23\" width=\"152\" height=\"114\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg 672w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama-300x226.jpg 300w\" sizes=\"auto, (max-width: 152px) 100vw, 152px\" \/><figcaption><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/M4-Le-perimetre.pptx\">Diaporama <\/a><\/figcaption><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"720\" style=\"aspect-ratio: 800 \/ 720;\" width=\"800\" controls src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/M4-Le-perimetre.m4v\"><\/video><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le p\u00e9rim\u00e8tre est la longueur du contour d&rsquo;une figure. Pour certaines figures, il faut conna\u00eetre les formules pour calculer le p\u00e9rim\u00e8tre par c\u0153ur : Pour le carr\u00e9 : P = 4 x C Pour le rectangle : P = (L + l) x 2 Pour le cercle : P = D x Pi Pi = 3,14<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-571","post","type-post","status-publish","format-standard","hentry","category-mesures"],"_links":{"self":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/comments?post=571"}],"version-history":[{"count":1,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/571\/revisions"}],"predecessor-version":[{"id":574,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/571\/revisions\/574"}],"wp:attachment":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/media?parent=571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/categories?post=571"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/tags?post=571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}