Geometry Vocabulary

Front

This geometric object has no dimension and is represented by a single dot in space.

Back

Point

Front

This Geometric object is finite and has 2 endpoints.

Back

Line Segment

Front

This has one endpoint and extends infinitely in 1 direction

Back

Ray

Front

This geometric object has one dimension, consists of infinite amount of points, and extends in 2 directions.

Back

Line

Front

This has 2 dimensions and is represented by a square. It also extends to infinity.

Back

Plane

Front

Points on the SAME PLANE

Back

Coplanar points

Front

Points on the SAME LINE

Back

Collinear Points

Front

Terms that can be described with words like "point" or "line", have a formal definition.

Back

Defined Terms

Front

2 Points on opposite ends of a line segment are

Back

Endpoints

Front

The point that lines cross each other

Back

Intersection