How to Understand Dilations: A Step-by-Step Guide
A dilation resizes a figure by a scale factor from a center point. Angles stay the same and lengths all change by that factor, which is what makes the image similar to the original rather than congruent.
Examples
Practice Questions:
- Dilate the point (C(3, 2)) about the origin using a scale factor of (3).
- Dilate the point (D(6, 7)) about the origin using a scale factor of (0.25).
- (C'(9, 6))
- (D'(1.5, 1.75))
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