Introduction
C# Program to Calculate Area of Circle. This program is compiled and tested on a Visual Studio 2012..
How To Calculate Area Of Circle In C# Program
using System;
namespace TechStudyCSharp
{
class Program
{
static void Main(string[] args)
{
double radius, area;
Console.WriteLine("Enter Radius: ");
radius = Convert.ToDouble( Console.ReadLine());
area = Math.PI * radius * radius;
Console.WriteLine("\nArea of circle: "+area);
Console.ReadKey();
}
}
}