document.write( "Question 254335: The area of a rectagle is 357cm2. The width of the rectangle is 4cm less than the length. What are the dimensions of the rectangle \n" ); document.write( "
Algebra.Com's Answer #186809 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! W=L-4 \n" ); document.write( "AREA=WL \n" ); document.write( "357=(L-4)L \n" ); document.write( "357=L^2-4L \n" ); document.write( "L^2-4L-357=0 \n" ); document.write( "(L-21)(L+17)=357 \n" ); document.write( "L-21=0 \n" ); document.write( "L=21 ANS. FOR THE LENGTH. \n" ); document.write( "W=21-4=17 ANS. FOR THE WIDTH. \n" ); document.write( "PROOF: \n" ); document.write( "357=21*17 \n" ); document.write( "357=357 \n" ); document.write( " |