Points, Lines, and Planes

Front

Point

Back

It indicates a location and has no size.

Front

Which pic represents a point?

Back

Front

Ray

Back

It is part of a line that consists of one endpoint and all the points of the line on one side of the endpoint.

Front

Which pic represents a single ray?

Back

Front

Line Segment

Back

It is part of a line that consists of two endpoints and all points between them.

Front

Which pic represents a line segment?

Back

Front

Definition of a line

Back

It is represented by a straight path that extends in two opposite directions without end and has no thickness. It contains infinitely many points.

Front

Which pic represents a line?

Back

Front

Plane

Back

It is represented by a flat surface that extends without end and has no thickness. It contains infinitely many lines.

Front

Which pic represents a plane?

Back