document.write( "Question 969350: If a rectangular box is 12 wide,15 inches long and 9 inches high. How many square inches of paper do I need to cover the surface of the box. \n" ); document.write( "
Algebra.Com's Answer #592253 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! There are six surfaces, and drawing a picture is essential to solving this problem. There are three pairs, the top/bottom; the ends; the sides. \n" ); document.write( "The top and bottom are length X width and that would be 2* (12 *15 )=360 in^2 \n" ); document.write( "The two ends are width X height and that would be 2 * ( 9 * 12)= 216 in^2 \n" ); document.write( "The two sides are length x height and that would be 2*(15 * 9)=270 in^2\r \n" ); document.write( "\n" ); document.write( "Total is the sum or 846 in^2 \n" ); document.write( " \n" ); document.write( " |