Proof: Vertical Angles 2a

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	m∠ZPY = m∠XPW	if m∠XPZ = 180 and m∠WPY = 180, then m∠ZPY = m∠XPW (Vertical Angles)
2	m∠XPW = m∠WPX	m∠XPW = m∠WPX (Angle Symmetry Property)
3	m∠ZPY = m∠WPX	if m∠ZPY = m∠XPW and m∠XPW = m∠WPX, then m∠ZPY = m∠WPX (Transitive Property of Equality)

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