Parallel lines cut by a transversal

Front

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

Back

Corresponding Angles

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on opposite sides of the transversal but inside the two lines?

Back

Alternate Interior Angles

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on opposite sides of the transversal and outside the two lines?

Back

Alternate Exterior Angles

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 and inside the two lines?

Back

Same Side Interior Angles

Front

What is the angle relationship when two lines intersect and form two pairs of opposite angles?

Back

Vertical Angles

Front

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

Back

They are congruent.

Front

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

Back

They are supplementary.

Front

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

Back

They are congruent.

Front

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

Back

parallel

Front

If two lines are cut by a transversal and the same side interior angles are equal, what can be concluded about the lines?

Back

The lines are parallel.