##### Subchapters

- Pinwheels and Polygons
- Interior Angles of Polygons
- Angles of Regular Polygons
- Regular Polygon Angle Connections
- Finding Areas of Regular Polygons
- Area Ratios of Similar Figures
- Ratios of Similarity
- A Special Ratio
- Area and Circumference of a Circle
- Circles in Context
- Chapter 8 Closure