document.write( "Question 1067836: the sum of length, breadth and depth of a cuboid is 19 cm and the length of diagonal is 11 cm. find the surface area of the cuboid. \n" ); document.write( "
Algebra.Com's Answer #683017 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! d^2 = L^2 + W^2 + H^2 = 11^2 = 121 \n" ); document.write( "L^2 + W^2 + H^2 = 121 \n" ); document.write( "L + W + H = 19 \n" ); document.write( "--------- \n" ); document.write( "--> 6 by 6 by 7 \n" ); document.write( "SA = 2LW + 2LH + 2WH \n" ); document.write( "SA = 72 + 84 + 84 = 240 sq cm \n" ); document.write( "Other solutions are possible. \n" ); document.write( "----- \n" ); document.write( "After thinking about it, that's the only solution. \n" ); document.write( " |