Question

Find the co-ordinates of the fourth vertex D of the parallelogram ABCD, if three of its vertices are A (5,6), B (1, -2) and C (3,-2).​

Answer 1

Step-by-step explanation:

A ( 5,6)

B (1,-2)

C ( 3,-2)

Find coordinate of D

By section formula

AD = √ (x1 - x2)²+(y1-y2)²

AD =√ (x - 5)²+(y-6)²