C# Program Interview Programs - Triangle and Right angled triangle

using System;

using System.Collections.Generic;

using System.Text;

namespace example1

{

    class Program

    {

        static void Main(string[] args)

        // to print right angled triangle

        {

            int a = 5;

            for (int i = 1; i <= 5; i++)

            {

                for (int j = 1; j <= i; j++)

                {

                    Console.Write(" *");

                }

                Console.WriteLine();

            }

            Console.ReadKey();

    // to print triangle or a tree shape.

            for (int i = 1; i <= 6; i++)

            {

                for (int k = 1; k <= 6 - i; k++)

                {

                    Console.Write(" ");

                }

                for (int k = 1; k <= i; k++)

                {

                    Console.Write(" *");

                }

                Console.WriteLine();

            }

  

            Console.ReadLine();

        }

    }

}