Answer:
Point B must be the same DISTANCE from the origin as point A.
Explanation:
We are given that,
Point A is rotated 90° counter-clockwise about the origin to get the image point B.
As, we know,
Rotation of 90° counter-clockwise about the origin changes the co-ordinate from (x,y) to (-y,x).
So, we see that the image of point A will lie in the 2nd quadrant.
Thus, we have that,
Point B must be the same DISTANCE from the origin as point A.