Calculate distance between 2 points

This code allows you to calculate distance between two points. Download the zip file or copy/paste the code below. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApplication3 { class Program { static void Main(string[] args) { Console.WriteLine("Please Enter x1 and y1 coordinates:"); double x1 = Convert.ToDouble