document.write( "Question 150483: A roof is shaped like a rectangle with a length that is twice the width and an area of 1800 sq ft. What is the lenght, width and perimeter of the roof? \n" ); document.write( "
Algebra.Com's Answer #110452 by rajagopalan(174)![]() ![]() You can put this solution on YOUR website! A roof is shaped like a rectangle. \n" ); document.write( "Let the width=x \n" ); document.write( "Length=2x \n" ); document.write( "Area=2x^2=1800 sq ft. \n" ); document.write( "2x^2=1800 \n" ); document.write( "x^2=1800/2=900 \n" ); document.write( "x=sqrt900=30 \n" ); document.write( "Width=30 \n" ); document.write( "Length=2*30=60 \n" ); document.write( "perimeter=2(x+2x) \n" ); document.write( "=2(30+60) \n" ); document.write( "=2(90) \n" ); document.write( "=180 ft \n" ); document.write( " |