static void Main(string[] args)
{
var kocka = new Square(6);
var plostina = kocka.CalculateArea();
var obikolka = kocka.CalculatePerimeter();
Console.WriteLine("Plostinata e {0}, a obikolkata {1}", plostina, obikolka);
var pravoagolnik = new Rectangle(4, 9);
double plostina2 = pravoagolnik.CalculateArea();
double obikolka2 = pravoagolnik.CalculatePerimeter();
var dijagonala = pravoagolnik.CalculateDiagonal();
var podolgastrana = pravoagolnik.LongerSide();
Console.WriteLine("Plostinata na pravoagolnikot e {0}, negovata obikolka {1}, dijagonalata mu e {2}, a pogolemata strana mu e {3}", plostina2, obikolka2, dijagonala, podolgastrana);
Console.ReadLine();
}
