Basic C# code for Pythagoras task.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DNFPractice
{
    class Program
    {
       public static void Main(string[] args)
        {

            double FirstNum, SecondNum, Hypo;
            Console.WriteLine("Enter the First Side ");
            FirstNum = double.Parse(Console.ReadLine());
            Console.WriteLine("Enter the Second Side ");
            SecondNum = double.Parse(Console.ReadLine());
            Hypo = Math.Sqrt(FirstNum * FirstNum + SecondNum * SecondNum);
            Console.WriteLine("The Other Side is : {0}", Hypo);
            Console.ReadLine();

        }
    }
}