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laumar0894
@laumar0894
June 2021
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SVP c'est pour demain
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slyz007
Verified answer
BE et CD sont perpendiculaires à AC donc elles sont parallèles BE//CD
On applique le théorème de Thalès :
BE/CD=AB/AC
CD=BE*AC/AB=1,5*34/6
CD=8,5 m
2 votes
Thanks 1
laumar0894
oh merci beaucoup!!!:)
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Verified answer
BE et CD sont perpendiculaires à AC donc elles sont parallèles BE//CDOn applique le théorème de Thalès :
BE/CD=AB/AC
CD=BE*AC/AB=1,5*34/6
CD=8,5 m