Chp 4 Vocab part 2

Front

The fundamental object in geometry that indicates a precise location and has no thickness and no dimensions.

Back

Point

Front

A set of points.

Back

Figure

Front

The most basic figure made up of the union of infinite sets of points. Through two distinct points, there is exactly one line.

Back

Line

Front

A set of points thought of as a flat surface, like a tabletop.

Back

Plane

Front

Two or more lines lie in the same plane but have no points of intersection.

Back

Parallel Lines

Front

A line segment consists of two different points on a line and all the points between them.

Back

Line Segment

Front

The points at the ends of a line segment.

Back

Endpoints

Front

An endpoint and all the points of a line on one side of that endpoint.

Back

Ray

Front

The union of two rays with the same endpoint.

Back

Angle

Front

The common endpoint of the two rays that make up an angle.

Back

Vertex