If the three consecutive vertices of a parallelogram are (-2, -1), (1, 0) and (4, 3), then what are the coordinates of the fourth vertex?

NDA 2017 Mathematics question

If the three consecutive vertices of a parallelogram are , and , then what are the coordinates of the fourth vertex?

Answer: (A)

For consecutive vertices of a parallelogram the diagonals bisect each other, so .

Question ID VK-028624