Given the incomplete proof below, what is the missing reason for the statement in step 4? Glven: ZABC – ZABD and

Given the incomplete proof below, what is the missing reason for the statement in step 4?

Glven: ZABC – ZABD and AB is the
angle bisector of ZCAD
Prove: AC AD
B
Given
1. ZABC E ZABD
2. ZCABEZDAB
Given and definition of angle bisector
Reflexive property of congruence
3. AB AB
4. ΔΑΒC=ΔABD
All Chanc


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