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Anonyme91
@Anonyme91
April 2019
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Bonjour j'ai un exercice note et je n'y arrive pas, est ce que quelqu'un peut m'aider svp.
Exercice
Calculer la valeur de x pour laquelle les aires des figures ci-dessous sont égales. ( on exprimera d'abord chacune des aires en fonction de x )
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danielwenin
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Aire trapèze: (6+10)/2.x
aire rectangle:( 2x+4).3
Il faut que 8x = 6x + 12 => 2x = 12 => x = 6
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Verified answer
Aire trapèze: (6+10)/2.xaire rectangle:( 2x+4).3
Il faut que 8x = 6x + 12 => 2x = 12 => x = 6