Question

A, B and C are corners of a parallelogram

A= (-2,3) B=(3,2) C=(5,-3)
What are the co-ordinates of D, the 4th corner?

Answer 1

Explanation:

in a parallelogram diagonals bisect each other.

so mid points are same.

Let coordinates of D be (x,y)

mid point of AC=midpoint Of BD

(-2+5)/2=(x+3)/2

x+3=-3

x=-3-3=-6

x=-6

(3-3)/2=(2+y)/2

y+2=0

y=-2

so D is (-6,-2)