Pythagorean theorem to find the length of the hypotenuse given the lengths of the two opposing sides using C-sharp

// Pythagorean theorem to find the length of the hypotenuse given the lengths of the two opposing sides.

using System;

class Hypo

{

    static void Main()

    {

        double x, y, z;

        x = 3;

        y = 4;

        z = Math.Sqrt((x * x) + (y * y));

        Console.WriteLine("The Hypotenuse is " +z);

    }

}