Topic 15 Vocabulary (Envisions)

Front

An exact location in space.

Back

point

Front

A straight path of points that goes on and on in opposite directions.

Back

line

Front

A part of a line that has two endpoints.

Back

line segment

Front

A part of a line that has one endpoint and continues on forever in one direction.

Back

ray

Front

An angle that forms a square corner.

Back

right angle

Front

An angle that is open less than a right angle.

Back

acute angle

Front

An angle that is open more than a right angle but less than a straight angle.

Back

obtuse angle

Front

An angle that forms a straight line.

Back

straight angle

Front

A unit of measure for angles. Also a unit of measure for temperature.

Back

degree

Front

A unit angle that cuts off 1/360 of a circle and measures 1 degree.

Back

unit angle