Proof: Angle Symmetry 4

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	m∠ABC = m∠CBA	m∠ABC = m∠CBA (Angle Symmetry Property)
2	m∠XYZ = m∠CBA	if m∠ABC = m∠XYZ and m∠ABC = m∠CBA, then m∠XYZ = m∠CBA (Transitive Property of Equality Variation 2)

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