CPM Geometry: Chapter 3 – Similar Triangles with Proportions

Vocabulary flashcards covering the definitions, characteristics, and symbols related to similar figures and triangles from Chapter 3 of CPM Geometry.

Similar Figures

Figures that are the same shape, BUT different size.

Scale factor (or zoom factor)

A factor that can be used to transform one figure into the other.

Congruent angles in similar figures

A characteristic of similar figures where all corresponding angles are equal ($\cong$).

Proportional sides in similar figures

A characteristic of similar figures where all corresponding sides are in the same ratio.

Symbol for congruent

$$\cong$$

Symbol for similar

$$\sim$$