Parallel lines cut by a transversal vocabulary

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on the same side of the transversal?

Back

Same Side Interior Angles

Front

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

Back

They are congruent.

Front

What is the angle relationship when two lines intersect and are opposite each other?

Back

Vertical Angles

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are in the same position relative to the lines?

Back

Corresponding Angles

Front

What do you call the angles that are on opposite sides of the transversal and inside the parallel lines?

Back

Alternate Interior Angles

Front

What do you call the angles that are on opposite sides of the transversal and outside the parallel lines?

Back

Alternate Exterior Angles

Front

What is the sum of the measures of same side interior angles when two parallel lines are cut by a transversal?

Back

180 degrees (supplementary).

Front

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

Back

They are congruent.

Front

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

Back

They are congruent.

Front

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

Back

They are supplementary.