Similarity Vocab Flashcards

Front

Ratio

Back

A comparison of 2 (or more) quantities

Front

Proportion

Back

An equation that states two ratios are equal

Front

Dilation

Back

A transformation in which a figure is enlarged or reduced with respect to a fixed point

Front

Scale Factor

Back

The ratio of the lengths of the corresponding sides of the image and the preimage of a dilation

Front

Enlargement

Back

A dilation in which the scale factor is greater than 1

Front

Reduction

Back

A dilation in which the scale factor is greater than 0 and less than 1

Front

Similar Figures

Back

Geometric figures that have the same shape but not necessarily the same size

Front

Similarity Transformation

Back

A dilation or a composition of rigid motions and dilations

Front

Angle - Angle (AA) Similarity Theorem

Back

If two angles of one triangle are congruent to two angles of another triangle, then the two triangles are similar

Front

Side - Side - Side (SSS) Similarity Theorem

Back

If the corresponding side lengths of two triangles are proportional, then the triangles are similar