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Calcul de l’Aire et du Volume d’un Cône (Nombres Décimaux au Centième Près) (A)

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(1)

Aire et Volume d’un Cˆ

one (A)

Calculez l’aire et le volume de chaque cˆ

one.

Aire = πr(r +√h2+ r2) Volume = πr2h 3 r = 96,56 nm h = 115,60 nm •

1.

r = 73,26 cm h = 224,73 cm •

2.

r = 125,46 mm h = 117,98 mm •

3.

r = 39,61 cm h = 89,93 cm •

4.

MathsLibres.com

(2)

Aire et Volume d’un Cˆ

one (A) R´eponses

Calculez l’aire et le volume de chaque cˆ

one.

Aire = πr(r +√h2+ r2) Volume = πr2h 3 r = 96,56 nm h = 115,60 nm •

1.

Aire: 74.983,41 nm2 Volume: 1.128.706,34 nm3 r = 73,26 cm h = 224,73 cm •

2.

Aire: 71.262,21 cm2 Volume: 1.263.058,59 cm3 r = 125,46 mm h = 117,98 mm •

3.

Aire: 117.328,58 mm2 Volume: 1.944.677,44 mm3 r = 39,61 cm h = 89,93 cm •

4.

Aire: 17.157,18 cm2 Volume: 147.755,24 cm3

MathsLibres.com

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