\n" );
document.write( "Hi \n" );
document.write( "the area of a square is 900 ft^2. what is the length of a side? \n" );
document.write( "Let s represent the length of a side. Area(square) = s^2 \n" );
document.write( " s^2 = 900ft^2 \n" );
document.write( " s = 30ft (30ft*30ft = 900ft^2)