SOLUTION: what is the diameter of the base of the cone if the volume is 50 pi ft^3 and the height is 6 ft?

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Question 168725: what is the diameter of the base of the cone if the volume is 50 pi ft^3 and the height is 6 ft?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
V=%281%2F3%29%28pi%29r%5E2h
50%28pi%29=%281%2F3%29%28pi%29r%5E2%286%29 multiply both sides by 3 and divide by 6%28pi%29
25=r%5E2 take sqrt
r=5 so d=2(5)=10 ft