1. Chapter 4
Congruent Triangles

2. 4.3 Proving Triangles Congruent: SSS and SAS

3. Bow-tie shapes always have vertical angles.
Parallel lines usually have alternate interior angles.
Shared lines are always REFLEXIVE.

4. Example 1: Using SSS

5. Example 2: Using SAS

6. Example 3: Choosing a Congruence Postulate

7. Example 4: Determining Whether Triangles are Congruent

8. Checkpoint

9. Checkpoint
Decide whether the two triangles can be congruent and state which theorem you can use

10. 4.4 Proving Triangles Congruent: ASA and AAS

12. Example 1: Developing Proof

13. Example 2: Proving Triangles Congruent

14. Example 3: Proving Triangles Congruent