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Sagot :

NBA10

Réponse :

bonjour

Volume pyramide = 1/3 × B × h

V = 1/3 × 4.5²×2.5

V = 1/3 × 20.25 × 2.5

V = 1/3×50.625

V = 50.625/3

V = 16.875 m²

voila:)

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