Answer:
(4, 2) to (-2, 4) to (-4, -2).
Step-by-step explanation:
This 90 degree rotation depends on the direction of the rotation. I'm assuming clockwise here.
So (4, 2) rotated 90 degrees puts the point at (-2, 4).
Another 90 degrees (therefore total 180 degrees), and we get to (-4, -2).
