static void Main(string[] args) { Shape circle = new Circle(4); Console.WriteLine(circle.Draw()); Console.WriteLine(circle.CalculateArea()); Console.WriteLine(circle.CalculatePerimiter()); Shape rectangle = new Rectangle(4, 5); Console.WriteLine(rectangle.Draw()); Console.WriteLine(rectangle.CalculateArea()); Console.WriteLine(rectangle.CalculatePerimiter()); }