SOLUTION: A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 68 feet and the radius of the hemisphere is r feet, express the volume of the

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Question 275149: A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 68 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r.
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A farmer's silo is the shape of a cylinder with a hemisphere as the roof.
If the height of the silo is 68 feet and the radius of the hemisphere is r feet,
express the volume of the silo as a function of r.
:
The vol of a sphere =
then the vol of hemisphere =
:
The height of the cylinder portion = (68-r)
:
Vol =

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