Answer:
Step-by-step explanation:
preserve congruence- when a figure is transformed with one or more rigid transformations, an image is created that is congruent to the original figure. ... Recall that rigid transformations preserve distance and angles. This means that congruent figures will have corresponding angles and sides that are the same measure and length.
The is what a not preserve congruence is Transformations include rotations, reflections, translations, and dilations.
Hope this help explains what it is asking for
