1. Identify Points, Lines, and Planes
Lesson 1.1
Identify Points, Lines, and Planes

2. Definitions Point- Has no dimension. Line – Has one dimension
Plane- Has two dimensions. Through any three points not on the same line, there is exactly one plane.
Collinear Points- Points on Same Line
Coplanar Points – Points are in the same plane

3. Definitions Line Segment (Segment) – A line with endpoints
Ray- Has one endpoint
Opposite Rays- Rays in opposite direction that are on the same line.
Intersection- Where two different figures have common points.