Chapter 1 Vocab

Front

Simplest figure with no size.

Back

Point

Front

Infinite set of points extending in 2 directions, no thickness.

Back

Line

Front

An infinite set of points extending in all directions without thickness.

Back

Plane

Front

Points on the same line.

Back

Collinear

Front

Points that lie in the same plane.

Back

Coplanar

Front

Set of points in both figures that cross.

Back

Intersection

Front

Set of all points.

Back

Space

Front

A piece of a line.

Back

Segment

Front

Part of a line with 1 endpoint, extending infinitely in one direction.

Back

Ray

Front

Share the same endpoint but point in opposite directions.

Back

Opposite Rays