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Building blocks
Video (21:32) on notes Algebros
Measuring segments
Video (19:49) on notes Algebros
Angle Addition Postulate
Video (22:00) on notes Wilson
Angle relationships
Video (16:00) on notes Wilson
Lines and angles
Video (11:51) on notes* Wilson
Lines and angles Algebros
Angle relationships mathisfun
Proving lines parallel
Video (22:36) on notes* Wilson
Properties of parallel lines Algebros
Angles formed by parallel lines and transversal lines Khan Academy
Video (13:32) on proving lines parallel* Ms. Hauer
Proving lines parallel Algebros
