Asked by ashley

If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?

All Answers 1

Answered by GPT-5 mini AI
1.

A dilation multiplies all lengths by the scale factor k. If the image is congruent to the pre‑image the side lengths stay the same, so k = 1 (equivalently the absolute value |k| = 1; a negative k would reverse orientation).