Parallel Lines Cut by a Transversal Vocabulary

Front

For alternate exterior angles to be congruent, the two lines must be _____________

Back

parallel

Front

What is the Angle Relationship when two lines are cut by a transversal and the angles are opposite and inside the two lines?

Back

Alternate Interior

Front

What is the Angle Relationship when two lines are cut by a transversal and the angles are on the same side of the transversal and inside the two lines?

Back

Same Side Interior

Front

What is the Angle Relationship when two lines are cut by a transversal and the angles are on the same side of the transversal and outside the two lines?

Back

Same Side Exterior

Front

If two parallel lines are cut by a transversal, then corresponding angles are _____________

Back

congruent

Front

If lines are parallel, then alternate interior angles are _____________

Back

congruent

Front

What is the Angle Relationship when two lines are cut by a transversal and the angles are opposite each other?

Back

Vertical Angles

Front

What is the Angle Relationship when two lines are cut by a transversal and the angles are on opposite sides of the transversal and outside the two lines?

Back

Alternate Exterior

Front

If two lines are cut by a transversal and the same side interior angles are supplementary, then the lines are _____________

Back

parallel

Front

What do we call angles that are in the same position on two parallel lines cut by a transversal?

Back

Corresponding Angles