document.write( "Question 1053014: A rectangular classroom has area 731m2 and perimeter 120m find its dimensions \n" ); document.write( "
Algebra.Com's Answer #668323 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 2L + 2w = 120m \n" ); document.write( "L + w = 60m \n" ); document.write( "L = 60-w \n" ); document.write( "w(60-w) = 731m^2 \n" ); document.write( "60w - w^2 = 731 \n" ); document.write( "w^2 - 60w + 731 = 0 \n" ); document.write( "(w-43)(w - 17) = 0 \n" ); document.write( "dimensions: 43m by 17m \n" ); document.write( " |