document.write( "Question 136199: Three faces of a box have a common vertex and their combined area is 20cm^2. What is the total surface area of the box? Thank you \n" ); document.write( "
Algebra.Com's Answer #99758 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Each of the 3 faces has an identical face opposite it, so \n" ); document.write( "the total area is 20 vm2 + 20 cm2 = 40 cm2. \n" ); document.write( " \n" ); document.write( " |