Function to find the shortest distance
static void dist ( double x1 , double y1 , double x2 , double y2 , double r ) { Console . WriteLine ( " The ▁ shortest ▁ distance ▁ " + " between ▁ a ▁ point ▁ and ▁ a ▁ circle ▁ is ▁ " + ( Math . Sqrt ( ( Math . Pow ( ( x2 - x1 ) , 2 ) ) + ( Math . Pow ( ( y2 - y1 ) , 2 ) ) ) - r ) ) ; }