document.write( "Question 513662: The perimeter of a rectangle is 100 feet. The length is 30 feet what is the area? \n" ); document.write( "
Algebra.Com's Answer #343104 by umail08(87)![]() ![]() You can put this solution on YOUR website! Let: L=Length and W=Width \n" ); document.write( "Perimeter = 2L + 2W \n" ); document.write( "100ft = 2(30ft) + 2W \n" ); document.write( "100ft = 60ft + 2W \n" ); document.write( "100ft – 60ft = 60ft – 60t + 2W \n" ); document.write( "40ft = 2W \n" ); document.write( "40ft/2 = 2W/2 \n" ); document.write( "20ft = W \n" ); document.write( "Area = L x W \n" ); document.write( "Area = 30ft x 20ft \n" ); document.write( "Area = 600 sq.ft. \n" ); document.write( " \n" ); document.write( " |