Proof: Alternate Interior Angles Theorem (Converse) 8

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	m∠SWZ = m∠WZT	if WS || TZ, then m∠SWZ = m∠WZT (Alternate Interior Angles Theorem (Converse) 6)
2	m∠WZT = m∠TZW	m∠WZT = m∠TZW (Angle Symmetry Property)
3	m∠SWZ = m∠TZW	if m∠SWZ = m∠WZT and m∠WZT = m∠TZW, then m∠SWZ = m∠TZW (Transitive Property of Equality)

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