C# program to calculate the area and circumference of a circle
Program.cs
doubler,AREA;constdoublePI=3.14;Console.WriteLine("———————————————————————————————————————————");Console.WriteLine("Program to calculate the area and circumference of a circle");Console.WriteLine("———————————————————————————————————————————");Console.Write("Enter the radius of circle ");r=Convert.ToDouble(Console.ReadLine());AREA=PI*r*r;Console.WriteLine("\nThe area of circle is {0} when radius is {1}",AREA,r);Console.WriteLine("\nThe circumference of circle is {0}",2*PI*r);Console.WriteLine("———————————————————————————————————————————");
Output
kodingwindow@kw:~/csharp$ dotnet run
———————————————————————————————————————————
Program to calculate the area and circumference of a circle
———————————————————————————————————————————
Enter the radius of a circle 10
The area of a circle is 314 when radius is 10
The circumference of a circle is 62.8
———————————————————————————————————————————
kodingwindow@kw:~/csharp$
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