\n" );
document.write( "Hi, \n" );
document.write( "Assume You mean: \n" );
document.write( "a circle has the equation \n" );
document.write( " x^2 + y^2=121 C(0,0) r = 11 \n" );
document.write( "Standard Form of an Equation of a Circle is \n" );
document.write( "where Pt(h,k) is the center and r is the radius \n" );
document.write( "