using System; namespace TMI_practicum { public class Circle { public readonly double X; public readonly double Y; public readonly double R; public Circle(double x, double y, double r) { X = x; Y = y; R = r; } public double Distance(Circle otherCircle) { return Math.Sqrt(Math.Pow(X - otherCircle.X, 2) + Math.Pow(Y - otherCircle.Y, 2)); } } }