\n" );
document.write( "Hi, \n" );
document.write( "Note: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( " \n" );
document.write( " C(0,0) \n" );
document.write( " \n" );
document.write( "