using System;

public class Program

{

    static private double hyp(double a, double b)

    {

        double a2 = a*a;

        double b2 = b*b;

        return Math.Sqrt(a2+b2);

    }

        static private double lrt(double a, double c)

    {

        double a2 = a*a;

        double c2 = c*c;

        return Math.Sqrt(a2-c2);

    }

    public static void Main()

​

​

    {

        Console.WriteLine("Press 1 if you want to find the hypotenuse. Press 2 if you want to find the leg.");

        double pick = double.Parse(Console.ReadLine());

        if(pick == 1)

        {

            Console.WriteLine("Enter the length of side a");

            double leg1 = double.Parse(Console.ReadLine());

            Console.WriteLine("Enter the length of side b");

            double leg2 = double.Parse(Console.ReadLine());

    Console.WriteLine("The length of the hypotenuse of your right traingle is: " + hyp(leg1, leg2).ToString("##.##"));

        }

        else if(pick == 2)

        {

            Console.WriteLine("Enter the length of side a");

            double sidea = double.Parse(Console.ReadLine());

            Console.WriteLine("Enter the length of the hypotenuse");

            double hypot = double.Parse(Console.ReadLine());

    Console.WriteLine("The length of the missing leg of your right traingle is: " + lrt(sidea, hypot).ToString("##.##"));

        }

    }

​

                }

​