SOLUTION: if a cylinder has a volume of 401.92 inches^3 and a height of 2 inches, what is the length of the diameter of the base circle to the nearest inch?

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Question 168724: if a cylinder has a volume of 401.92 inches^3 and a height of 2 inches, what is the length of the diameter of the base circle to the nearest inch?
Answer by Fombitz(13823) About Me  (Show Source):
You can put this solution on YOUR website!
For a cylinder, the volume equals the area of the base circle multiplied by height.
V=A%5Bc%5Dh
401.92=A%5Bc%5D%282%29
A%5Bc%5D=401.92%2F2=200.96
The area of a circle using its diameter is,
A%5Bc%5D=%28pi%2Ad%5E2%29%2F4
%28pi%2Ad%5E2%29%2F4=200.96
d%5E2=255.87
d=15.996
To the nearest inch, the diameter would be 16 inches.