La pyramide de Khéfren en Egypte est une pyramide reguliere de 143 m de hauteur dont la base est un carre de cote 215m.
Calculer son volume arrondi au m cube.

By: USER8351
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
La pyramide de Khéfren en Egypte est une pyramide reguliere de 143 m de hauteur dont la base est un carre de cote 215m.
Calculer son volume arrondi au m cube.
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Answer (164)

Best Answer
(245)
Aire de la base = 215² = 46 225 m²

Volume pyramide = 1/3 x 143 x 46 225
                            = 1/3 x 6 610 175
                           = 6 610 175 / 3
                           ≈ 2 203 392 m³
Answered on 27 Agustus 2025
(117)
bonsoir

volume d'une pyramide = 1/3 x b x h

= 1/3 x 215 x 215 x 143 = 2203391,667  = 2203391 m3
Answered on 27 Agustus 2025

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