Question

which composition of transformations will create a pair of similar, not congruent triangles?
a rotation, then a reflection
a translation, then a rotation
a reflection, then a translation
a rotation, then a dilation

Explanation:

Rotations, reflections and translations are rigid - motions creating congruent figures. Dilation changes size, creating similar non - congruent figures.

Answer:

D. a rotation, then a dilation