raiz

using System.IO;
using System;

class Program
{
    static void Main()
    {
        double num;
        double raiz;
        
        Console.WriteLine("Dame un numero");
        num = Convert.ToDouble(Console.ReadLine());
        raiz = Math.Sqrt(num);
        Console.WriteLine("La raiz de tu numero es {0}",raiz);
    }
}