document.write( "Question 1036139: The area of a rectangle is 91 square centimeters. Its length is x+2 and its width is x-4. Find the perimeter of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #650747 by Aldorozos(172)![]() ![]() ![]() You can put this solution on YOUR website! (x+2)(x-4)= 90 \n" ); document.write( "x^2 -2x-8=90 \n" ); document.write( "solving this quadratic equation we get x=11\r \n" ); document.write( "\n" ); document.write( "Width = 11-4 = 9 \n" ); document.write( "Length = 11+2 = 13 \n" ); document.write( "Perimeter is 2(9+13) = 2*22 = 44 \n" ); document.write( " |