document.write( "Question 908895: A rectangles length is 3 times its width. The area is 27 square inches. Find the perimeter. \n" ); document.write( "
Algebra.Com's Answer #551439 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! L = 3W \n" ); document.write( "A = L * W \n" ); document.write( "27 = 3W * w \n" ); document.write( "27 = 3W^2 \n" ); document.write( "Divide each side by 3 \n" ); document.write( "9 = w^2 \n" ); document.write( "3 = W \n" ); document.write( "If the width is 3, then the length is 9 \n" ); document.write( "Perimeter = 2L + 2W \n" ); document.write( "P = (2*9) + (2*3) \n" ); document.write( "P = 18 + 6 \n" ); document.write( "P = 24 \n" ); document.write( " |