isometry
true
Yup
A translation
Sometimes
A dilation (or scaling) is a transformation that does not always result in an image that is congruent to the original figure. While translations, rotations, and reflections always produce congruent figures, dilations change the size of the figure, which means the image may be similar to, but not congruent with, the original figure.
An enlargement transformation
similar
true
Yup
answer
answer
Yes. Being congruent is part of the definition of an isometry.
A translation
up
It is called an image.
Sometimes
What is a preimage. (The new figure is called the image.)