static void Main(string[] args) { circle a = new circle(int.Parse(Console.ReadLine())); a.finddia(); a.findperi(); a.findarea(); Console.WriteLine(a); Console.ReadKey(); }
static void Main(string[] args) { circle c = new circle(); rectangle r = new rectangle(); driver d = new driver(); d.calculate(c); d.calculate(r); Console.ReadLine(); }
static void Main(string[] args) { double r = double.Parse(Console.ReadLine()); circle c = new circle(r); // c.findarea(); Console.WriteLine(c); Console.ReadKey(); }