public bool isPryamoug(KVADRAT kvad) { if (kvad.getShirina() != kvad.getVisota()) { return true; } else return false; }
static void Main(string[] args) { KVADRAT kv = new KVADRAT(4, 10, 3); Console.WriteLine("Perimert"); Console.WriteLine(kv.Perimeter()); Console.WriteLine("Area"); Console.WriteLine(kv.Area()); Console.WriteLine("diagonal"); Console.WriteLine(kv.Diagonal());