CK-12 Geometry-Concepts

4.7. SAS Triangle Congruence http://www.ck12.org

2.

3.

State the additional piece of information needed to show that each pair of triangles is congruent.

4. Use SAS


5. Use SAS


6. Use SAS

Complete the proofs below.

7.Given:Bis a midpoint ofDCAB⊥DCProve: 4 ABD∼= 4 ABC

8.Given:ABis an angle bisector of^6 DACAD∼=ACProve: 4 ABD∼= 4 ABC