Answer:
Step-by-step explanation:
90-degree rotation
Let me explain, you see point B? Yeah, okay. 90 degrees is a right angle, so you see how the replica blue B is on the line a right angle from it?
That's how you figure that out, if the point is on a line 90 degrees from it it's a 90-degree rotation
If you remain confused please don't hesitate to ask :))
