document.write( "Question 147083: If a figure has 7m x 3m and the base for this solid is 8m high. What would the calculation be for the surface area of this solid. \n" ); document.write( "
Algebra.Com's Answer #107624 by psbhowmick(878)![]() ![]() You can put this solution on YOUR website! It is a right angled prism with rectangular base. \n" ); document.write( "Total surface area = Sum of area of all 6 faces\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The opposite faces of a rectangular prism are identical so it leaves to find the area of 3 non-opposite faces of the prism.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Total surface area = 2 x (Sum of area of all 3 non-opposite to each other faces) \n" ); document.write( "Total surface area = 2 x (7x3 + 3x8 + 8x7) = 2 x (21 + 24 + 56) = 202 sq m \n" ); document.write( " |