Question

If A(1,2) , B9 4,3) and C (6,6) are three vertices of parallelogram ABCD ,

find co-ordinates of D. Ans D( 3,5)​

Answer 1

Answer:

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Answer 2

Answer:

Let A(1, 2), B (4, 3) and C(6, 6).

Let D (x, y) be the fourth vertex of the parallelogram ABCD.

Since, the diagonals of parallelogram bisect each other at O.

∴ Mid point of BD = Mid point of AC

Thus, (3, 3) is the fourth vertex.