1. Similar Polygons Section 6-2

2. similar figures – when figures have the same shape but are different sizes The symbol ~ means is similar to.

3. Defn. of Similar Polygons Two polygons are similar iff if their corresponding angles are congruent and the measures of their corresponding sides are proportional.

4. scale factor - the ratio of 2 corresponding sides of 2 similar polygons The scale factor is 3:2 or 2:3. 3 2 3 2

5. dilation – a transformation that reduces or enlarges a figure.

6. Joke Time What means of transportation gives people a cold? A choo-choo train

7. What job do hippies do? They hold your leggies on.