document.write( "Question 563839: The length of a rectangle is six times its width.
\n" );
document.write( "If the area of the rectangle is 600in squared , find its perimeter.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #365116 by bluemockingjay7(41)![]() ![]() You can put this solution on YOUR website! L = 6w \n" ); document.write( "W = w\r \n" ); document.write( "\n" ); document.write( "Area of the rectangle = lw\r \n" ); document.write( "\n" ); document.write( "6w(w) = 600 \n" ); document.write( "6w^2 = 600 \n" ); document.write( "w^2 = 100 \n" ); document.write( "w = square root of 100 \n" ); document.write( "w = 10\r \n" ); document.write( "\n" ); document.write( "L = 6(10) = 60in \n" ); document.write( "W = 10in\r \n" ); document.write( "\n" ); document.write( "Perimeter of a rectangle: 2(L + W)\r \n" ); document.write( "\n" ); document.write( "P = 2(60 + 10) \n" ); document.write( "P = 2(70) \n" ); document.write( "P - 140in \n" ); document.write( " |