benjamin-hunt_60ba8e11b4dea
benjamin-hunt_60ba8e11b4dea
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http://matheusmathica.blogspot.com.br/2011/08/quad... usando a imagem acima PS²=2x² -->12² =2x² --> x² =144/2 = 72 --> x= 6V2 SR²=2y²-->8² =2y² --> y² = 64/2 = 32 --> y= 4V2 area Q = (x+y)² = (6V2+4V2)² =(10V2)² = 200 cm²