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antiseptic1488 [7]
4 years ago
14

what is a cylinder diameter of 3 feet and a height of 4.5 feet . if the barrel is empty , which is the closet to the minimum amo

unt of water needed to completely fill the barrel?
Mathematics
1 answer:
NNADVOKAT [17]4 years ago
5 0
Volume of the barrel = pi * r^2 * h
                                 = 22/7 * (3/2)^2 * 4.5
                                 = 31.82 feet^3

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Let's look at the shaded region. The origin lies inside it.

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