document.write( "Question 793882: If i have a rectangle and the perimeter is 36cm and the length is 2 times the width what is the area?
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Algebra.Com's Answer #480478 by sunny1992(35)![]() ![]() You can put this solution on YOUR website! perimeter of rectangle=2(L+W)\r \n" ); document.write( "\n" ); document.write( "let, \n" ); document.write( "W=x & \n" ); document.write( "L=2x\r \n" ); document.write( "\n" ); document.write( "so we have, \n" ); document.write( "2(x+2x)=36 \n" ); document.write( "(3x)=18 \n" ); document.write( "x=6\r \n" ); document.write( "\n" ); document.write( "W=x=6 \n" ); document.write( "L=2x=6x2=12\r \n" ); document.write( "\n" ); document.write( "Area=LxB \n" ); document.write( "Area=6x12=72cm^2 \n" ); document.write( " |