L’espace - 3e

Boules : volumes

Exercice 1 : Calculer le volume d'un solide

Calculer le volume du solide suivant :

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Sachant que :

1.Le solide est un cube.
2.\( ZW = 7cm \)

On donnera un résultat arrondi au \( cm³ \) près, suivi de l'unité qui convient.

Exercice 2 : Calcul du volume d'une boule

Soit une boule de \(6 cm\) de rayon.

Calculer son volume.
On donnera le résultat exact.

Exercice 3 : Calculer le volume d'un solide

Calculer le volume du solide suivant :

Sachant que :

1.Le solide est un cube.
2.\( ZW = 7cm \)

On donnera un résultat arrondi au \( cm³ \) près, suivi de l'unité qui convient.

Exercice 4 : Calcul du volume d'une boule

Soit une boule de \(12 cm\) de rayon.

Calculer son volume.
On donnera le résultat exact.

Exercice 5 : Calculer le volume d'un solide

Calculer le volume du solide suivant :

Sachant que :

1.\( QF = 4cm \)
2.\( QH = 7cm \)

On donnera un résultat arrondi au \( cm³ \) près, suivi de l'unité qui convient.

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