document.write( "Question 487023: A rectangle is 2 times as long as it is wide. If the area is 18 square feet, find its perimeter \n" ); document.write( "
Algebra.Com's Answer #332916 by John10(297)![]() ![]() You can put this solution on YOUR website! L = 2W \n" ); document.write( "AREA = L*W = 18 \n" ); document.write( "2W(W) = 18 \n" ); document.write( "2W^2 = 18 \n" ); document.write( "W^2 = 18/2 \n" ); document.write( "W^2 = 9 \n" ); document.write( "W = 3 OR W = -3 \n" ); document.write( "THE WIDTH IS 3 FT \n" ); document.write( "THE LENGTH IS 2(3)= 6 FT \n" ); document.write( "The perimeter is: \n" ); document.write( "P = 2( L + W) = 2 (3 + 6) = 2(9) = 18 ft \n" ); document.write( "john10:) \n" ); document.write( " |