Geometry Vocabulary - Angles and Lines

Front

A straight angle is_____________.

Back

equal to 180 degrees

Front

Select the correct definition. Transversal

Back

a line that intersects two or more other lines.

Front

A right angle is_____________.

Back

equal to 90 degrees

Front

An obtuse angle is_____________.

Back

more than 90 degrees

Front

Opposite angles are _____________.

Back

always equal

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What do we call two lines that never meet?

Back

Parallel lines.

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 the sum of angles in a triangle?

Back

180 degrees.