Answer:
Reflection preserve size and shape but not orientation
Step-by-step explanation:
Any object that transformed by reflection will preserve its size and shape, so the reflection still congruent to the original object. A transformation that doesn't change the object size is called rigid transformation.
But reflection will change the orientation of the object. You can check the orientation by comparing the location of the points of the object clockwise. Reflection will change triangle ABC into A'C'B'
