A proof involving Triangle ABC is shown below.
1.
2.
3.
4
5.
6.
Statement
ACBC
Draw CO bisecting LACB
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CO=CO
AACO&BCD
LAZLB
Reason
1. Given
2. Each angle has one unique angle bisector
3.
4
5. SAS
6. CPCTC
Which title BEST describes the proof?
Definition of angle bisector
Reflexive Property

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