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Margotcastaing
@Margotcastaing
May 2019
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Un verre a la forme d'un cône de révolution de hauteur 12 cm et de diamètre 8 cm
1 ) Calculer la contenance d'un tel verre. Donner la valeur approchée au cl près par défaut ?
2 ) Combien de verres peut on remplir avec une bouteille de 75 cl ?
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ficanas06
Verified answer
1/ volume cône = (pi * rayon² * hauteur) /3
rayon = 8/2 = 4cm
volume verre = (3.14*4²*12) / 3 = 200.96 cm3 = 20.093 cl ≈
20 cl au cl près par défaut
2/
75 / 20 =
3 verres, restent 15 cl
5 votes
Thanks 6
margotcastaing
génial merci
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Verified answer
1/ volume cône = (pi * rayon² * hauteur) /3rayon = 8/2 = 4cm
volume verre = (3.14*4²*12) / 3 = 200.96 cm3 = 20.093 cl ≈ 20 cl au cl près par défaut
2/
75 / 20 = 3 verres, restent 15 cl