Question

Choose all of the transformations that would change a triangle into one that is similar, but not congruent. Which transformation confirms that rectangle ABCD and rectangle EFGH are similar?

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Answer 1

Explanation:

Answer 2

You didn't supply a list. The so-called rigid transformations of translation, rotation and reflection create congruent triangles.

Generally it's dilation by a factor about a point is preserves similarity but not congruency. Any transformation which includes such scalings but is otherwise rigid also preserves similarity but not congruency.