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Katyanochek1 [597]
3 years ago
12

Un parallélépipède rectangle posé sur une de ses faces carrées a un volume de 252cm cube, il a une hauteur de 7. Quelle est la l

ongueur du coté de la base carré
Mathematics
1 answer:
bekas [8.4K]3 years ago
7 0

Répondre:

6 cm

Explication étape par étape:

Volume du parallélépipède rectangle V = l²h

l est la longueur du carré basé

h est la hauteur

Étant donné

V = 252 cm³

h = 7 cm

Remplacer

252 = l² (7)

252 = 7l²

l² = 252/7

l² = 36

l = √36

l = 6 cm

D'où la longueur du côté de la base carrée est de 6 cm

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