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Asked by prgayathri 17th February 2009, 10:46 AM
Answered by Expert
Answer:

The perimeter of the circular end of radius r is 2*pie*r.

This will enable you to find the radii r and R of the smaller and th larger circular ends.

Once you have both these valuse you can put them in the formula and find the required C.S.A.

 

Answered by Expert 17th February 2009, 5:36 PM
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