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December 21, 2014

December 21, 2014

Posted by **chandice** on Monday, October 26, 2009 at 12:34am.

height=71

diamatere=62

- math -
**Reiny**, Monday, October 26, 2009 at 12:40amSo the radius of the top is 31 and the surface area of the hemisphere

= (1/2)4pi(31)^2

= 1922pi

Surface area of cylinder

= 2pi(31)(71) = 4402pi

so the total surface area = 6324pi

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