1. Geometry Topics Name: __________________________
Unit 2, Day 1 Date: ___________________________
In this section we will discuss the undefined terms point, line, and plane. These figures are intuitive and approximate examples can be seen in our every day lives.
Point: ________________________________________________________________ __________________________________________________________________________________________________________________________________________
Notation: Diagram:
Line: _________________________________________________________________ __________________________________________________________________________________________________________________________________________
Notation: Diagram:
Plane: ________________________________________________________________ __________________________________________________________________________________________________________________________________________
Space: _______________________________________________________________ __________________________________________________________________________________________________________________________________________
Diagram:

2. Collinear Points: _________________________________________________________ ______________________________________________________________________
Diagram: Are ____ and ____ collinear points?
_______________________________
___, ____, and ____ are collinear points. _______________________________
___, ____, and ____ are noncollinear points. _______________________________
Coplanar Points: _________________________________________________________ _____________________________________________________________________
Diagram 1: Diagram 2:
_________________________________ _______________________________
Intersection of Figures: The intersection of two figures __________________________ _____________________________________________________________________.
If two lines intersect, ________________ If two planes intersect, _______________
_________________________________ _________________________________.
Diagram: Diagram:
1. Plane GEDF Ç Plane DFBC at ________.
2. Plane EDBA Ç Plane GEAH at ________.
3. DB Ç DF at ______.
4. EF Ç EA at ______.