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Question:

A dairy farmer uses a storage silo that is in the shape of the right circular cylinder.?

A dairy farmer uses a storage silo that is in the shape of the right circular cylinder. If the volume of the silo is 72π cubic yards, what is the diameter of the base of the cylinder, in yards? Do not include units

Answer:

Have to know the height in order to calculate the diameter.
It's Christmas. Give the man a best answer.
Volume is pi * (d/2)^2 * h = 72 pi Compute
If the diameter of the base is D yards then its area is (πD^2)/4. The volume is (πD^2)h/4 where h is the height. So (πD^2)h/4=72π giving D^2=288/h giving D=sqrt(288/h).
V = pi * r^2 * h V = 72 * pi h = 8 72 * pi = pi * r^2 * 8 9 = r^2 3 = r d = 2r d = 6

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