public static Boolean InOurOut(circle c, point p) { double d = point.distance(c.Center, p); if (d <= c.Radious) { return(true); } else { return(false); } }
public static double circumference(circle c) { return(2 * Math.PI * c.Radious); }
public static double area(circle c) { return(Math.PI * c.Radious * c.Radious); }