using System;

public class Program

{

    public static void Main() 

    {

        public static void Main() 

double radie=2.4;

Console.WriteLine("Cirkelns omkrets: "+cirkelomkrets(radie));

Console.WriteLine("Cirkelns area: "+cirkelarea(radie));

    }

    static double cirkelomkrets(double d) 

    {

                return ((d*d)3.14);

    }

    static double cirkelarea(double r)

           return  ((r*r*)3,14);

}

    }