ΔABC is located at A (2, 3), B (4, 4), and C (6, 3). Zackery says that ΔABC is an isosceles triangle, while Verna says that it is a right triangle. Who is correct? Zackery, because segment BC ≅ segment AC Zackery, because segment AB ≅ segment BC Verna, because segment BC is perpendicular to segment AC Verna, because segment AB is perpendicular to segment BC