document.write( "Question 628427: Please help me solve this problem.\r
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document.write( "The perimeter of a rectangle is found by using the formula: 2L + 2W. if the perimeter of a rectangle is 66 cm, and the length is twice the width, what is the length? \n" );
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Algebra.Com's Answer #395661 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The perimeter of a rectangle is found by using the formula: 2L + 2W. \n" ); document.write( "if the perimeter of a rectangle is 66 cm, and the length is twice the width \n" ); document.write( "what is the length?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2L + 2W = 66: \n" ); document.write( "\"the length is twice the width\"; therefore \n" ); document.write( "L = 2W \n" ); document.write( "replace L with 2W \n" ); document.write( "2(2W) + 2W = 66 \n" ); document.write( "4W + 2W = 66 \n" ); document.write( "6W = 66 \n" ); document.write( "W = 66/6 \n" ); document.write( "W = 11 cm \n" ); document.write( "therefore \n" ); document.write( "2(11) = 22 cm is the length \n" ); document.write( " |