SOLUTION: A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 117 feet and the radius of the hemisphere is r feet, express the volume of th

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Question 656032: A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 117 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) About Me  (Show Source):
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A farmer's silo is the shape of a cylinder with a hemisphere as the roof.
If the height of the silo is 117 feet and the radius of the hemisphere is
r feet, express the volume of the silo as a function of r.
:
Two formulas: volume of a cylinder v = pi%2Ar%5E2h and
volume of a sphere: v = 4%2F3*pi%2Ar%5E3; hemisphere 2%2F3*pi%2Ar%5E3
:
V(r) = (pi%2Ar%5E2%2A117) + (2%2F3*pi%2Ar%5E3)
: