/* C#: The Complete Reference by Herbert Schildt Publisher: Osborne/McGraw-Hill (March 8, 2002) ISBN: 0072134852 */ // Compute the area of a circle. using System; public class ComputeCircle { static void Main() { double radius; double area; radius = 10.0; area = radius * radius * 3.1416; Console.WriteLine("Area is " + area); } }