Learning Path for Collinear Then Equal 2 Lines

The following is a list of all proofs that are used to prove either Collinear Then Equal 2 Lines or its ancestor proofs.

Collinear Angles Property C
Transitive Property of Equality Variation 2
Collinear Angles Property 10
Collinear Angles Property 3
Collinear Then Equal 2 Lines
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