Question

A cylindrical oil pipe measures 4 feet in diameter and 251.2 cubic feet in volume. what is the height of the oil pipe?

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Answer 1

Half of 4 is 2(new radius)

(finding area)

2^2 = 4

4 x 3.14 = 12.56

Now we divide

251.2 divided by 12.56 = 20 is our height.