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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |