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Salut437
@Salut437
June 2021
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Bjr, c'est la 2ème fois que je pose la question, SVP mais c'est important, aidez-moi SVP
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caylus
Verified answer
Bonjour,
1)10*6=60
2)60/2=30
3) x∈[0;6]
4)Aire AEH=x(6-x)/2
Aire HDG=x(10-x)/2
5) A(x)=60-2*[x(6-x)/2-x(10-x)/2]=2*(x²-8x+30)
6)A(1)=2*(1²-8*1+30)=46
A(5)=2*(5²-8*5+30)=30
2 votes
Thanks 1
Salut437
Pouvez-vous m'expliquer comment avez-vous fait la question n°3, je n'ai pas compris ? merci
caylus
x est limité par le plus petit des côté (6 cm)
caylus
lire "côtés"
Salut437
D'accord ! Merci beaucoup pour vos précieuses informations ! Merci encore !!
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SVP Uniquement la question 3 Merci d'avance !!
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Verified answer
Bonjour,1)10*6=60
2)60/2=30
3) x∈[0;6]
4)Aire AEH=x(6-x)/2
Aire HDG=x(10-x)/2
5) A(x)=60-2*[x(6-x)/2-x(10-x)/2]=2*(x²-8x+30)
6)A(1)=2*(1²-8*1+30)=46
A(5)=2*(5²-8*5+30)=30