Basic Geometry

Front

This picture shows a __________________.

Back

ray

Front

What type of angle is this?

Back

right angle

Front

A straight angle is....

Back

180⁰

Front

An angle is made up of two __________________.

Back

rays

Front

What does the image show?

Back

obtuse angle

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is an obtuse angle?

Back

An angle that is greater than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.