Asked by ashley
If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?
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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).
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).
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