Chapter 1

Report
Chapter 4
Congruent Triangles
4.3 Proving Triangles Congruent:
SSS and SAS
•Bow-tie shapes always have vertical angles.
•Parallel lines usually have alternate interior angles.
•Shared lines are always REFLEXIVE.
Example 1: Using SSS
Example 2: Using SAS
Example 3: Choosing a
Congruence Postulate
Example 4: Determining Whether
Triangles are Congruent
Checkpoint
Checkpoint
Decide whether the two triangles can be congruent and
state which theorem you can use
4.4 Proving Triangles Congruent:
ASA and AAS
Example 1: Developing Proof
Example 2: Proving Triangles
Congruent
Example 3: Proving Triangles
Congruent

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