document.write( "Question 312607: a rectangular prism is 9cm long, 8 cm wide, and 7 cm high. Find the surface area of the prism \n" ); document.write( "

Algebra.Com's Answer #223493 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
find it by adding all the individual surface areas together. there are 2 of each side and there are 3 different sides.
\n" ); document.write( " $\"SA=2%28%28LW%29%2B%28LH%29%2B%28WH%29%29\"$
\n" ); document.write( "L=9
\n" ); document.write( "W=8
\n" ); document.write( "H=7
\n" ); document.write( " $\"SA=2%28%289%2A8%29%2B%289%2A7%29%2B%288%2A7%29%29\"$
\n" ); document.write( " $\"SA=2%28%2872%29%2B%2863%29%2B%2856%29%29\"$
\n" ); document.write( " $\"SA=2%28191%29\"$
\n" ); document.write( " $\"SA=382\"$
\n" ); document.write( "surface area is 382cm \n" ); document.write( "

\n" );