SOLUTION: The volume of a right cone is 1408 feet to the third. The height of the cone is 21 ft. What is the radius?

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Question 174227: The volume of a right cone is 1408 feet to the third. The height of the cone is 21 ft. What is the radius?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
V=%281%2F3%29%28pi%29r%5E2h
:
1408=%281%2F3%29%28pi%29r%5E2%2821%29
:
4224%2F21%28pi%29=r%5E2
:
64.04=r%5E2
:
highlight%28r=8%29feet