Learning Path for Vertical Angles 2

The following is a list of all proofs that are used to prove either Vertical Angles 2 or its ancestor proofs.

Transitive Property of Equality Variation 2
Collinear Points Theorem
Supplementary Angles Theorem (Converse)
Subtract Both Sides 2
Add Term to Both Sides 7
Subtract Both Sides
Add Term to Both Sides 6
Transitive Property of Equality Variation 1
Vertical Angles 2
Start Path