Bonjour pouvais vous m’aider pour mon dm de maths Merci d’avance.... Pergunta de ideia defurus

January 2021 1 117 Report

Bonjour pouvais vous m’aider pour mon dm de maths
Merci d’avance

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marco31 Bonjour
Calcul de BC par le théorème de phytagore
BC²=AC²-AB²=312²-288²=97344-82944=14400=√14400=120 m

Calcul de EF⇒trouver d abord BF = 120-(48+52)=20 m⇒BF=20m
EF par le théorème de phytagore
EF²=EB²+BF²=48²+20²=2304+400=2704=√2704=52m

Calcul de AE
AE=AB-EB⇒288-48=240 m

Calcul de JI par le théorème de phytagore
JI²=JD²+lDI²⇒72²+29²=5184+841=6025=√6025=77,62m

Calcul de GH
(2×π×48)/4=75,40m

Calcul DE IH
IH= DC-(HC+DI)⇒288-(48+29)=211 m

Perimetre total
IH+HG+GF+FE+EA+AJ+JI
211+75,40+52+52+240+48+77,62=756,02 m

1 votes Thanks 1

furus Merci beaucoup

marco31 De rien

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