1. PART II: We skipped HL!!!!!!!! Hypotenuse-Leg

2. But there is a special case of ASS that works!
ASA
SSS
AAS
SAS
AAA
ASS
But there is a special case of ASS that works!

3. Objectives Apply HL to construct triangles and to solve problems.
Prove triangles congruent by using HL.

5. Example 1: Applying HL Congruence
Determine if you can use the HL Congruence Theorem to prove the triangles congruent. If not, tell what else you need to know.

6. Example 2: Applying HL Congruence
Determine if you can use the HL Congruence Theorem to prove the triangles congruent. If not, tell what else you need to know.

7. Example 3 Given: Prove: ABC  DCB Reasons Statements 1. Given
Reasons
Statements
1. Given
2. Given
3. Definition of  lines
4. Reflexive POC
5. ABC  DCB
5. HL

8. Lesson Quiz: Part I
Identify the postulate or theorem that proves the triangles congruent.

9. Lesson Quiz: Part I
Identify the postulate or theorem that proves the triangles congruent. HL
ASA
SAS or SSS