Given the incomplete proof below, what is the missing reason for the statement in step 4?
Given: ZABC - ZABD and AB is the
angle bisector of CAD
Prove: AC AD
B
D
Given
1. ZĀBC = ABD
2. ZCABZDAB
3. ABAB
4. A ABC ZA ABD
Given and definition of angle bisector
Reflexive property of congruence

A.AAS
B.SAS
C.ASA
D.CPCTC

Given the incomplete proof below what is the missing reason for the statement in step 4 Given ZABC ZABD and AB is the angle bisector of CAD Prove AC AD B D Give class=