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13 votes
Could someone help me with this pls

If the volume of a cylinder is 3014.4 ft3 and the height is 15ft, write and solve an equation to find the radius.

User Swathy Krishnan
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1 Answer

8 votes
8 votes

Answer:

7.99

Explanation:

using the formula


v = \pi \: r ^(2) h


3014.4 = 22 / 7 * r ^(2) * 15


21100.8 = 22 * 15 * r {}^(2)


21100.8 = 330 * r {}^(2)


21100.8 / 330 = r {}^(2)


√(63.94 )= r


r = 7.99ft \: answer

User Inzamam Idrees
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3.1k points