SOLUTION: the volume of a cylinder is 36[pi] cubic units and its height is 4 units find the lateral area

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Question 429550: the volume of a cylinder is 36[pi] cubic units and its height is 4 units find the lateral area
Answer by Gogonati(855) About Me  (Show Source):
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Solution:We know that the volume of cylinder is:V=pir^2*(h), where
r is the base radius, and h is the height of cylinder. Substitute :
36pi=pir^2(4)
36=r%5E2%2A%284%29
r%5E2=9
r=3. The lateral area is:A=2pirh
A=2(3)4pi=24pi square units.
Done.