https://docs.google.com/document/d/1jiRDG76ienBHKlv8m2sg20UEdNcm8-cBs-PKkYI4ScY/edit?usp=sharing
https://docs.google.com/document/d/1tqV9RoB-KhgY2tUr8XwVY7FXmm0V-AIzsp-3VfhlgRs/edit?usp=sharing
Geometry Lab: Solving for the intersection of two lines
Geometry: Area of Triangles and Rectangles