static void Main(string[] args)
{
var square = new Square(5);
DisplayPolygon("Square", square);
var triangle = new Triangle(5);
DisplayPolygon("Triangle", triangle);
var octogon = new Octogon(5);
DisplayPolygon("Octogon", octogon);
}
static void Main(string[] args)
{
Rectangle Rec = new Rectangle(0, 0);
Rec.Display();
Square Sqr = new Square(0, 0);
Sqr.Display();
Triangle Tri = new Triangle(0, 0);
Tri.Display();
Octogon Oct = new Octogon(0, 0);
Oct.Display();
Console.ReadLine();
}
