1. Section 20.2: ASA Triangle Congruence

2. Objective:
By following instructions, students will be able to:
Use the ASA Triangle Congruence Theorem.

3. RECALL: If sides are congruent and angles
are congruent, then triangles are congruent.

4. Angle-Side-Angle (ASA) Congruence Theorem

5. Determine whether the given triangles are congruent. Explain.
explain 1A

6. Determine whether the given triangles are congruent. Explain.
explain 1B

7. Determine whether the given triangles are congruent
Determine whether the given triangles are congruent. Explain you reasoning.
Your-Turn #1
a) b)

8. explain 2A
Write each proof.

9. explain 2B
Write each proof.

10. Write a two-column proof.
Your-Turn #1

11. Revisit Objective:
Did we…
Use the ASA Triangle Congruence Theorem?

12. HW:
Sec 20.2 pg 811 #s 3-10