Question

Jack discovers that the orientation of a triangle is counterclockwise. He then reflects the triangle over the y
-axis. What is the orientation of the reflected figure?(1 point)
Responses

The reflected figure has a counterclockwise orientation.
The reflected figure has a counterclockwise orientation.

The orientation could be clockwise or counterclockwise depending on how you do the reflection.
The orientation could be clockwise or counterclockwise depending on how you do the reflection.

The reflected figure has a clockwise orientation.
The reflected figure has a clockwise orientation.

There is not enough information to tell.

Answer 1

The reflected figure has a clockwise orientation.

Reflection across the y-axis reverses orientation (e.g. (x,y) → (−x,y) has determinant −1), so a counterclockwise triangle becomes clockwise.