Prove that the points A(4,3), B(6,4), C(5, -6) and D(3, -7) in yhat order are the vertices of a parallelogram. (3marks)
Refer the following link for the answer similar to your query :
https://www.meritnation.com/ask-answer/question/prove-that-the-points-a-4-3-b-6-4-c-5-6-and-d-3-7-in-t/coordinate-geometry/6974426
https://www.meritnation.com/ask-answer/question/prove-that-the-points-a-4-3-b-6-4-c-5-6-and-d-3-7-in-t/coordinate-geometry/6974426