Subject: College Geometry (Proofs)
Book: Euclidean and Non-Euclidean Geometries

I could really need some help proving this problem.

Use of:
Incidence Axioms
Betweenness Axioms
Same side lemma
Opposite side lemma

COROLLARY. Given A B C and B C D. Then A B D and
Transcribed Image Text

COROLLARY. Given A B C and B C D. Then A B D and A C D

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