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Sagot :

VINS

bonsoir

AB² =  104 ² - 96 ² = 1 600

AB = √1600 = 40 mm

Aire  = ( 40 x 96 ) /2 = 1 920 mm²

Aire  = ( 104 x BH) / 2

104 BH/2 = 1 920

52 BH = 1 920

BH =  1920/52 ≈ 36.92 mm  

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