Question

Describe the rule for the rotation.

How to answer:
____ degrees _________(clockwise or counterclockwise)

Answer 1

Explanation:

If you draw a line from the origin (0,0) to L ( the original point ) and a different line from the origin to the image L' you can see the angle of rotation as being

90 degrees and that the rotation is clockwise.

the rule is (x, y) become ( y, -x)