static void Main(string[] args)
{
Retangulo ret_1 = new Retangulo();
Retangulo ret_2 = new Retangulo(6, 8);
ret_1.setAltura(5);
ret_1.setBase(4);
Console.WriteLine("Ret 1 \nbase: " + ret_1.getBase());
Console.WriteLine("altura: " + ret_1.getAltura());
Console.WriteLine("\nRet 2\nbase: " + ret_2.getBase());
Console.WriteLine("altura: " + ret_2.getAltura());
Console.WriteLine("\nRet 1 area: " + ret_1.area());
Console.WriteLine("Ret 1 perimetro: " + ret_1.perimetro());
Console.WriteLine("Ret 2 area: " + ret_2.area());
Console.WriteLine("Ret 2 perimetro: " + ret_2.perimetro());
Console.ReadLine();
}
