document.write( "Question 328646: area of square is 400. find the cost of boundary wall if the rate of per meter is rs 5. \n" ); document.write( "
Algebra.Com's Answer #235433 by mananth(16946)![]() ![]() You can put this solution on YOUR website! area of square =400 \n" ); document.write( "Area = L^2 L = length of side \n" ); document.write( "L^2=400 \n" ); document.write( "L= sqrt 400 \n" ); document.write( "L=20 \n" ); document.write( ".. \n" ); document.write( "Perimeter of square = 4*L \n" ); document.write( "=4*20=80\r \n" ); document.write( "\n" ); document.write( "Rate /meter = Rs.5 \n" ); document.write( "For 80 meters it will be 5*80=Rs400 \n" ); document.write( " |