CK-12-Geometry-Second-Edition

http://www.ck12.org Chapter 4. Triangles and Congruence

30. SAS

Write a 2-column proof.

31.Given:SV⊥WU Tis the midpoint ofSVandWUProve:W S∼=UV

32.Given:^6 K∼=^6 T,EIis the angle bisector of^6 KETProve:EIis the angle bisector of^6 KIT

Review Queue Answers

TABLE4.17:

Statement Reason

1.AD∼=DC,AB∼=CB Given

2.DB∼=DB Reflexive PoC

3. 4 DAB∼= 4 DCB SSS


4. No, only the angles are congruent, you need at least one side to prove the triangles are congruent.


5. (a) Yes, CPCTC

(b) No, these sides do not line up in the congruence statement.