Informal Geometry Chapter 1

Chapter 1 Test - Thursday, September 10th

1.3 Points, Lines, and Planes  http://youtu.be/5ATpJFzYDWM 

1.4 Intersections  https://youtu.be/g_ovDnrpHSw

1.5 Segment Addition Postulate   http://youtu.be/eihlAtTQJmU 

1.6 Angle Addition Postulate  http://youtu.be/3L1VzH10TTc