##### Subchapters

- Properties of a Circle
- Building a Tetrahedron
- Shortest Distance Problems
- Using Symmetry to Study Polygons
- Special Quadrilaterals and Proof
- Properties of Rhombi
- More Proofs with Congruent Triangles
- More Properties of Quadrilaterals
- Two-Column Proofs
- Explore-Conjecture-Prove
- Studying Quadrilaterals on a Coordinate Grid
- Coordinate Geometry and Midpoints
- Identifying Quadrilaterals on a Coordinate Grid
- Chapter 7 Closure