Geometry Vocabulary Pt. 1

Front

A dot, an exact location.

Back

Point

Front

A straight path that continues forever in two directions.

Back

Line

Front

Part of a line that has two end points.

Back

Segment

Front

A line that starts at one end point and goes on forever in one direction.

Back

Ray

Front

An open shape formed by two lines or rays that share a common end point.

Back

Angle

Front

This is the common end point of an angle.

Back

Vertex

Front

A flat surface that extends on all sides but has no height.

Back

Plane

Front

A point on a segment that cuts it into two equal parts.

Back

Midpoint

Front

Two lines that never intersect.

Back

Parallel

Front

Lines that intersect to form right angles.

Back

Perpendicular