Chapter 1 Vocab Review

Front

A flat surface made of points extending indefinitely in all directions.

Back

Plane

Front

Two angles sharing a side and vertex.

Back

Adjacent Angles

Front

Made of points, no thickness, extends infinitely in both directions.

Back

Line

Front

Adjacent angles that are supplementary.

Back

Linear Pair

Front

Measurable part of a line with two endpoints.

Back

Line Segment

Front

Two angles that sum to 180.

Back

Supplementary Angles

Front

A location with no size or shape.

Back

Point

Front

Points on the same plane.

Back

Coplanar

Front

Congruent angles across from each other on intersecting lines.

Back

Vertical Angles

Front

A line extending indefinitely in ONE direction.

Back

Ray