public void UnknownPolygonCheckCorrectSquare4Points()
        {
            var polygon = new UnknownPolygon(
                new Vector2D(10, 10),
                new Vector2D(60, 10),
                new Vector2D(100, 60),
                new Vector2D(100, 10));

            Assert.AreEqual(1000, polygon.Square);
        }
        public void UnknownPolygonCheckCorrectSquare8Points()
        {
            var polygon = new UnknownPolygon(
                new Vector2D(10, 10),
                new Vector2D(20, 30),
                new Vector2D(20, 60),
                new Vector2D(50, 50),
                new Vector2D(110, 60),
                new Vector2D(90, 40),
                new Vector2D(100, 10),
                new Vector2D(50, 20));

            Assert.AreEqual(3050, polygon.Square);
        }