https://docs.google.com/document/d/1KmKOy7lLhmXcib_VQuxNLwkOWmrYZVTWlMIYlcf0rRo/edit?usp=sharing
https://docs.google.com/document/d/1V8TQLxltOS0YUJwtDWI-a7uo6TE9bgEqSkwuNDYnaDU/edit?usp=sharing
Geometry Lab: Determining if a triangle is an isosceles triangle
Geometry: Unit 11 Lesson 2