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Calcul de l’Aire et du Volume d’un Cône (Nombres Décimaux au Dixième 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 = 74,8 nm h = 92,4 nm •

1.

r = 54,0 yd h = 132,0 yd •

2.

r = 56,0 nm h = 88,0 nm •

3.

r = 30,4 ft h = 60,8 ft •

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 = 74,8 nm h = 92,4 nm •

1.

Aire: 45.513,4 nm2 Volume: 541.382,0 nm3 r = 54,0 yd h = 132,0 yd •

2.

Aire: 33.355,5 yd2 Volume: 403.078,9 yd3 r = 56,0 nm h = 88,0 nm •

3.

Aire: 28.202,7 nm2 Volume: 288.993,0 nm3 r = 30,4 ft h = 60,8 ft •

4.

Aire: 9395,4 ft2 Volume: 58.840,9 ft3

MathsLibres.com

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