SOLUTION: what is the circumference of a cone if the volume is 48 pi cubic meters and the height is 9 meters?

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Question 983753: what is the circumference of a cone if the volume is 48 pi cubic meters and the height is 9 meters?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
h, height
r, radius
v, volume
v=%281%2F3%29h%2Api%2Ar%5E2

3v%2F%28h%2Api%29=r%5E2

r=sqrt%283v%2F%28h%2Api%29%29

Cirfumference of the circular base, 2%2Api%2Asqrt%28%283v%29%2F%28h%2Api%29%29