Chapter 4: Triangle Properties
​Topics:
- 4.1 Triangle Sum Conjecture
- 4.2 Properties of Isosceles Triangles
- 4.3 Triangle Inequalities
- 4.4 Congruence Shortcuts
- 4.5 Congruence Shortcuts
- 4.6 Corresponding Parts of Congruent Triangles
- 4.8 Proving Special Triangles

​Links:
  Congruence Shortcuts
Proof Practice