Objective: Draw representations of and use real life-examples to describe points, lines, and planes.
ď‚Ą
Accepted and used to define other terms
No size Named by a capital letter
Notation:
Point A
Points (infinite amount) Extend in 2 directions and never end Have no thickness
Notation:
Or line l
AB
or
BA
Infinite points Suggested by floor, chalkboard, etc. Never ends No thickness G No edges
Notation: Plane M
D M
E
Or Plane DEFG F
Space – set of all points
Collinear – points all on the same line
Noncollinear – points not all on same line
Coplanar – points all on the same plane
Noncoplanar- points not on same plane Podcast on Planes
Set of all points belonging to both figures
2 Lines
or
Point
Line
Are collinear points always coplanar?
Are coplanar points always collinear?
Give 2 characteristics of points, lines and planes.
Pages 7-8; 1-25 odd Written Ex.!!