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becker
@becker
June 2021
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bonjour,
par ici les pros en MATH MERCI
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slyz007
Verified answer
1) AireABC=Base*Hauteur/2=AB*CK/2=4*1,4/2=2,8 cm²
2) En prenant pour base BC :
AireABC=BC*AI/2
3) AireABC=2,8=BC*AI/2
Donc AI=2*2,8/BC=2*2,8/2,5=2,24 cm
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Thanks 1
becker
merci beaucoup
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Lista de comentários
Verified answer
1) AireABC=Base*Hauteur/2=AB*CK/2=4*1,4/2=2,8 cm²2) En prenant pour base BC :
AireABC=BC*AI/2
3) AireABC=2,8=BC*AI/2
Donc AI=2*2,8/BC=2*2,8/2,5=2,24 cm