Answer :
Final answer:
Stretching is not a congruence transformation as it changes size without preserving shape, while rotating and translating are congruence transformations.
Explanation:
Congruence transformations are transformations that preserve shape and size. Among the given options, stretching is not a congruence transformation because it changes the size of the figure without preserving its shape. However, rotating and translating are congruence transformations as they only change the position or orientation of the figure without altering its shape or size.
Learn more about Congruence transformations here:
https://brainly.com/question/29787410