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December 19, 2014

December 19, 2014

Posted by **Hero** on Sunday, December 10, 2006 at 2:20pm.

L= aw

Total surface area= 2LW + 2Lh + 2Wh

= 2aw^2 + 2awh + 2wh

But volume= lwh= 2aw^2 h or h= V/2aw^2

Total Surface area= = 2aw^2 + 2awV/2aw^2 + 2wV/2aw^2

Take the derivative of surface area/with respect to w, solve.

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