SOLUTION: a water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320 pie cubic feet. what is the diameter, in feet, of the water tank?

Question 871426: a water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320 pie cubic feet. what is the diameter, in feet, of the water tank?
Found 2 solutions by lwsshak3, Yzeph:
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
a water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320 pie cubic feet. what is the diameter, in feet, of the water tank?
***
d=diameter
cross-section area of tank=πd^2/4
volume=height*cross-section
πd^2/4*20=320
5πd^2=320
d^2=320/5π=64/π
d=√(64/π)=8/√π≈4.51 feet
Answer by Yzeph(21) (Show Source): You can put this solution on YOUR website!

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