Geometry Basics Definitions

Two angles that share a common side and vertex.

• Adjacent Angles

• Acute Angles

• Friendship Angles

• Shared Angles

A ______ is a location with no size or shape.

Is made up of points with no thickness or width.

• Point

• Segment

• Line

• plane

A line segment is a ________ part of a line consisting of two ________.

A _____ is a line that extends indefinitely in one direction.

A plane is a flat surface made up of ______ and extends indefinitely in all directions.

Points D, E, and F are_______.

• Collinear

• Non-collinear

• Coplanar

• Non-coplanar

Points A, B, and C are_______.

• Collinear

• Non-collinear

• Coplanar

• Non-coplanar

A segment, line, or plane that intersects a segment at it's midpoint.

• Segment Bisector

• Perpendicular Bisector

• Angle Bisector

• Segment Bisector

• Perpendicular Bisector

• Angle Bisector