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Mimii06
@Mimii06
May 2019
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SVP quelqu'un pourrait m'aider pour ce devoir que j'essaye de comprendre merci d'avance
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Bonjour,
soit x la longueur ABCD
A = x²
A triangle = (5*x)/2 = 5x/2
x² = 5x/2
x²-(5x/2) = 0
(2x²-5x)/2= 0
2x²-5x = 0
x(2x-5) = 0
2x-5 = 0
2x = 5
x = 5/2 = 2,5
pour x =2,5 les 2 A sont =
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Verified answer
Bonjour,soit x la longueur ABCD
A = x²
A triangle = (5*x)/2 = 5x/2
x² = 5x/2
x²-(5x/2) = 0
(2x²-5x)/2= 0
2x²-5x = 0
x(2x-5) = 0
2x-5 = 0
2x = 5
x = 5/2 = 2,5
pour x =2,5 les 2 A sont =