Which transformation does not preserve congruence?

Question

asked May 11, 2018 218k views

2 Answers

Amol Chaudhari · Answer 1 · 2018-05-13T01:45:15+0000

A dilation. Dilations are not rigid motions, in other words, it changes the size of the shape. Transformations that keep congruence are reflections, translations, and rotations.

:)

Arnyminer Z · Answer 2 · 2018-05-16T18:55:11+0000

Answer: Dilation

Explanation:

A dilation is a transformation which is not rigid since it changes the size of the figure in particular ways by using scale factor . It creates image that is the exactly same shape as the original, but have a different size.

It stretches or shrinks the actual figure. Hence, It does not preserve congruence.

Which transformation does not preserve congruence?

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