V pyramide = 1/3 x aire base x h
ici
aire base = 5x4 = 20 cm (aire d'un rectangle)
donc
1/3 x 20 x h = 20
h = 20 / (1/3 x 20) = 3 cm
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
V pyramide = 1/3 x aire base x h
ici
aire base = 5x4 = 20 cm (aire d'un rectangle)
donc
1/3 x 20 x h = 20
h = 20 / (1/3 x 20) = 3 cm