public double DistanceTo(_3DPoint p2)
{
return(Math.Sqrt((x - p2.GetX()) * (x - p2.GetX()) +
(y - p2.GetY()) * (y - p2.GetY()) +
(z - p2.GetZ()) * (z - p2.GetZ())));
//return Math.Sqrt((x - p2.GetX()));
}
static void Main(string[] args)
{
_3DPoint point = new _3DPoint(5, 7, 2);
Console.WriteLine(point.ToString());
_3DPoint p2 = new _3DPoint(2, 3, 4);
Console.WriteLine(point.DistanceTo(p2));
}