Point A is the image point of the point p after rotation by -90. Option A is correct.
Point p was rotated by -90 the center of rotation is indicated. which point of the image is point p is to determine.
What is rotation?
Rotation is defined as the circular motion of the objects around a specific center of rotation.
We can se see that in the image, point p is at the top of the center C so the point is already at an angle of 90. And point A and Point D are at angles 0 and 180 respectively.
When rotation of -90 implies point p it toward A. And after the whole rotation of -90 point p and point A coincides.
So, point A can be said to be the image of Point p after rotation of -90 with the center of rotation C.
Thus, point A is the image point of the point p after rotation by -90. Option A is correct.
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