Question

Which set of transformations can you use to check whether two polygons are congruent?

translations, stretches, and dilations

reflections, translations, and stretches

rotations, dilations, and translations

translations, reflections, and rotations

Answer 1

I think its D.

Answer 2

Hint:
in order to check if two polygons are congruent each other, we have not change their shapes, so we have to exclude the dilations and the stretches from our answer