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25-04-2016
Mathematics

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What is the exact volume of the cylinder?

A. 32 in^3

B.64 in^3

C. 128 in^3

D. 512 in^3

What is the exact volume of the cylinder A 32 in3 B64 in3 C 128 in3 D 512 in3 class=

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Аноним Аноним

25-04-2016

Volume of the cylinder=area (circle) x height
area (circle)=πr²
r=radius=4 in.
area=π(4 in)²=16π in²
height=8 in

Volume of the cylinder=(16π in²)(8 in)=128π in³≈402.12 in³

Answer= 128π in³ or 402.12 in³

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