Aidez moi c'est pour demain Juste la question 4) et 5) :) :) :) Svpl :).... Pergunta de ideia dejessica69210

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June 2021 1 34 Report

Aidez moi c'est pour demain

Juste la question 4) et 5)
:) :) :) Svpl :)

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dotrungduckid Question 4:
On a que les triangles ADE et ABC sont rectangles en A
Donc, $A_{ADE}$ = $\frac{1}{2}$ .AD.AE= $\frac{1}{2}$ .2,7.3,6=4,86 $cm^{2}$
$A_{ABC}$ = $\frac{1}{2}$ .AB.AC = ....
Question 5:
On a:
$A_{ABC}= A_{ADE}+ A_{BCDE}$
Donc $A_{BCDE}= A_{ABC} - A_{ADE}$

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