The diagonals of a parallelogram ABCD bisect each other. If A(1, 2), B(5, 3) and C(7, 7), then D is:

  1. (4, 4)
  2. (3, 6)
  3. (11, 8)
  4. (3, 2)
Answer

B) (3, 6)

Midpoint of AC = (4, 4.5) must also be the midpoint of BD: D = (2 4 - 5, 2 4.5 - 3) = (3, 6). SLO M-09-B-02 · Knowledge

Mathematics MCQ · More Coordinate Geometry MCQs · Practise