- 64 proofs with full solutions.
- 9 examples to help serve as a guide.
- A review of terminology, notation, and concepts.
- Similar and congruent triangles
- the Pythagorean theorem
- circles, chords, and tangents
- alternate interior angles
- the triangle inequality
- the angle sum theorem
- quadrilaterals
- regular polygons
- area of plane figures
- inscribed and circumscribed figures
- the centroid of a triangle