Math 4 Reviewer

Has one endpoint, goes forever in one direction

• Ray

• Point

• Line Segment

A location, usually marked by a dot

• Line

• Angle

• Point

has two endpoints

• line segment

• plane

• angle

A flat surface extending in all directions

• plane

• angle

• ray

Formed when two rays are connected at their common endpoint

• point

• angle

• line segment

It can extends in both directions infinitely.

• ray

• plane

• line

Common endpoint of the line segments

• quadrilateral

• triangle

• vertex

A closed plane figure formed by three line segments that are connected at their common endpoints.

• quadrilateral

• angle

• triangle

Line segment that is connected at their common endpoint

• angle

• vertex

• side

Three interior angles are acute.

• equiangular triangle

• acute triangle

• obtuse triangle