SOLUTION: A cylinder has a volume of 75,400 cubic feet. What is the radius of the cylinder if the height of the cylinder is 3 times longer than the radius?
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Question 421907: A cylinder has a volume of 75,400 cubic feet. What is the radius of the cylinder if the height of the cylinder is 3 times longer than the radius?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A cylinder has a volume of 75,400 cubic feet.
What is the radius of the cylinder if the height of the cylinder is 3 times longer than the radius?
:
Vol of cylinder:
:
Let x = the radius (r)
then
3x = the height (h)
:
= 75400
= 75400
Divide both sides by 3pi, results
x^3 =
x^3 = 8000.2
x =
x = 20.0 ft is the radius
:
:
:
Check solution on calc: enter: results: 75398.2237 ~ 75400
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