Create Pyramid in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Pyramid
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 1; i < 20; i++)
            {
                for (int j = i; j < 20; j++)
                {
                    Console.Write(" ");
                }
                for (int k = 1; k <= i; k++)
                {
                    Console.Write("*");
                    Console.Write(" ");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}