public static double GetDistance(double x1, double y1, double x2, double y2)
return Math.Sqrt(Math.Pow((x2 - x1), 2) + Math.Pow((y2 - y1), 2));
public static bool isWithinRegion(double h, double k, double x, double y, double radius){
if(GetDistance(h, k, x, y)<=radius){
public static void Main()
var x1 = -114.051136817222;
var y1 = 53.4974874311843;
var x2 = -113.946912942176;
var y2 = 53.5558202096652;
var distance = GetDistance(x1, y1, x2, y2);
Console.WriteLine(isWithinRegion(h,k,x,y,radius));