Video 4.4: Interiors and the Crossbar Theorem
Topics
Plane Separation Properties of Interiors of Rays and Segments
The Z Theorem
Interiors of Angles and Triangles
The Crossbar Theorem
The Converse of the Crossbar Theorem
Discussing concepts from Section 4.4 of Millman & Parker, Geometry: A Metric Approach with Models, 2nd Edition
