Geometry Vocab

Front

This geometric object is finite and has 2 endpoints.

Back

Line Segment

Front

A line with a single endpoint (or point of origin) that extends infinitely in one direction.

Back

Ray

Front

Points on the SAME PLANE.

Back

Coplanar points

Front

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

Back

Point

Front

A straight path that extends infinitely in both directions.

Back

Line

Front

A flat surface that extends infinitely in all directions.

Back

Plane

Front

Two lines that never intersect and are always the same distance apart.

Back

Parallel Lines

Front

Two lines that intersect at a right angle (90 degrees).

Back

Perpendicular Lines

Front

A part of a line that has one endpoint and extends infinitely in one direction.

Back

Ray

Front

A collection of points that lie on the same straight line.

Back

Collinear Points