C# program to find Area of Circle

Program

using System;
namespace AreaOfCircle
{
    class Program
    {
        static void Main(string[] args)
        {
            float pie = 3.14f;
            float radius, area;
            Console.Write("Enter the radius of the circle:\t");
            radius = float.Parse(Console.ReadLine());
            area = pie * radius * radius;
            Console.WriteLine("Area of Circle is:\t" + area);
        }
    }
}

Output

Enter the radius of the circle: 20
Area of Circle is:      1256