Given: 

Prove:

Proof:

Statements                                               Reasons

1.         1. Given

2.                                       2.Definition of isosceles triangle

3.                             3.Definition of angle bisector

4.                                          4. Reflexive property

5.                            5. SAS postulate

6.                                          6. CPCTC

7.                                            7. Definition of congruent angles

8.                                8. Definition of median