Geometry Vocabulary

Front

Angle bisector

Back

A ray that divides an angle into two congruent parts

Front

Perpendicular bisector

Back

A segment, line, or ray that is perpendicular to a segment and divides the segment into two congruent parts

Front

Midpoint

Back

A point that divides a segment into two equal parts

Front

Point

Back

A location with no size or shape

Front

Line

Back

An infinite set of points extending in two directions

Front

Plane

Back

A flat surface

Front

Angle

Back

Two rays with a common endpoint

Front

Ray

Back

Part of a line that extends from one endpoint in one direction

Front

Segment

Back

A part of a line that consists of two endpoints and all the points between

Front

Collinear points

Back

On the same line