Geometry Fall Seme Review: sometimes, always, never

Front

What is the relationship between parallel lines cut by a transversal that form 90° angles?

Back

Sometimes.

Front

If two lines are NOT parallel, are vertical angles congruent?

Back

Never.

Front

Can a line contain only one point?

Back

Never.

Front

If two lines are parallel, are alternate exterior angles congruent?

Back

Always.

Front

Do lines that do not intersect always lie on the same plane?

Back

Sometimes.

Front

What is the definition of parallel lines?

Back

Lines in a plane that never meet and are always the same distance apart.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What does it mean for angles to be congruent?

Back

They have the same measure.

Front

What is a transversal?

Back

A line that intersects two or more lines at different points.

Front

What are alternate interior angles?

Back

Angles that lie between two lines and on opposite sides of a transversal.