Parallel Lines and Transversals

Front

Corresponding angles are

Back

congruent

Front

Angles on opposite sides of the transversal outside the parallel lines are called

Back

Alternate exterior angles

Front

Supplementary angles sum

Back

180 degrees

Front

Which angles are same-side interior?

Back

Angles 3 and 5

Front

Which angles are alternate interior?

Back

Angles 5 and 4

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 the two lines and on opposite sides of the transversal.

Front

What are same-side interior angles?

Back

Angles that lie between the two lines and on the same side of the transversal.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

They are congruent.

Front

If two parallel lines are cut by a transversal, what can be said about alternate exterior angles?

Back

They are congruent.