Presentation
https://docs.google.com/document/d/1Rn_ApAS2YtJzkpxdIIm-YYlkuhOvf3aeclnyAFVEmtg/edit?usp=sharing
Videos
https://www.youtube.com/watch?v=C1nl0f0tHfk
https://www.youtube.com/watch?v=cQh1rb8OB9k
https://www.youtube.com/watch?v=Xpj3A-kOmkA
https://www.showme.com/sh/?h=ZVIzjLU
https://www.youtube.com/watch?v=7gc7f3968yU
Practice Activities & Worksheets
https://www.cardozohigh.com/ourpages/auto/2014/9/17/33354878/MG21%20Aim%205%20ANS%20Auxiliary%20lines%20part%202.pdf
https://cms5.revize.com/revize/williamsvilleschools/southhigh/mr_quill/geometry_r/docs/Unit%202/Unit%202%20Notes%20-%20Essentials%20of%20Geometry_2017.pdf