static void Main(string[] args)
{
Circle circle = new Circle(5);
double S = circle.FindArea();
double P = circle.FindPerimeter();
Console.Write("area: {0}\nperimeter: {1}", S, P);
Console.ReadKey();
}
public static void Main(string[] args)
{
Circle first = new Circle();
string s1 = Console.ReadLine();
double r = double.Parse(s1);
first.FindArea(r);
first.FindDiametr(r);
first.FindCircumference(r);
}
static void Main(string[] args)
{
// int k = int.Parse(Console.ReadLine());
Circle c = new Circle();
c.FindArea();
c.FindDiameter();
Console.WriteLine(c);
Console.ReadKey();
}
static void Main(string[] args)
{
int a = Console.Read();
Circle c = new Circle(a);
c.FindArea();
c.FindPer();
Console.WriteLine(c);
Console.ReadKey();
}
