Points, Lines, Line Segments, and Rays Vocabulary

Geometry vocabulary covering the fundamental characteristics and relationships of points, lines, segments, and rays.

Point

A dot representing an exact location.

Line

A straight path that extends infinitely in both directions.

Ray

A line with only one endpoint, extending infinitely in the other direction.

Line Segment

A part of a line that is bounded by two distinct endpoints.

Parallel Lines

Lines in the same plane that never meet or intersect, maintaining an equal distance apart.

Perpendicular Lines

Lines that cross or intersect each other specifically to form four right ($90^\text{o}$) angles.

Intersecting Lines

Lines that cross each other at a single point.