Final answer:
Stretching is not a congruence transformation as it alters the size of an object without preserving its shape or orientation.
Explanation:
Stretching is not a congruence transformation as it changes the size of the object without preserving its shape or orientation. In contrast, rotating and translating are examples of congruence transformations as they maintain shape and orientation while moving an object.
Learn more about Congruence Transformations here:
https://brainly.com/question/29787410
