document.write( "Question 812820: please help me: I need to find the surface area of this shape. I think it is a prism: top is 5' side is 3' bottom is 3' and 4'. how do I figure this problem? \n" ); document.write( "
Algebra.Com's Answer #491813 by LinnW(1048)\"\" \"About 
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If the dimensions are 5 by 3 by 4,
\n" ); document.write( "use labels L = 5 , W = 4 , H = 3.
\n" ); document.write( "There are six surfaces on a box, so we want
\n" ); document.write( " 2*LW + 2*LH + 2*WH .
\n" ); document.write( " 2*5*4 + 2*5*3 + 2*4*3
\n" ); document.write( " 40 + 30 + 24
\n" ); document.write( " 94 ft^2
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