SOLUTION: if the lateral area of a right circular cylinder is 90 centimeter squared and its volume is 255 cubic centimeter.find its radius.please solve.

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Question 608995: if the lateral area of a right circular cylinder is 90 centimeter squared and its volume is 255 cubic centimeter.find its radius.please solve.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi



Question states***

 A%5BL%5D+=+90+=+2pi%2Arh or 45=pi%2Arh

 V+=255+=+pi%2Ar%5E2h

or V+=+255+=+45r

      255/45 = r = 5.67cm