Similarities

Similar Polygons: Ratios of the measures of corresponding sides are equal Corresponding angles are congruent

Similar Figures Figures that have the same shape but not necessarily the same size

DIlation: A figure is enlarged to be similar to another figure

Reduction: A figure is made smaller to produce similar figures

Angle angle Similarity Postulate (AA~) Corresponding angles are congruent

Side-Side-SIde Similarity Theorem (SSS~) The ratios of all the sides are the same

Side-Angle-Side Similarity Theorem (SAS~) 2 sides have the same ratio and 1 angle is congruent