Parallel lines cut by a transversal vocabulary

Front

If lines are parallel, then alternate interior angles are _____________

Back

congruent

Front

Name the angle relationship: Alternate Exteriors, Alternate Interiors, Corresponding, Same Side Interior

Back

Alternate Interiors

Front

Name the angle relationship: Alternate Interior, Alternate Exterior, Corresponding, Vertical Angles

Back

Alternate Exterior

Front

Name the angle relationship: Same Side Interior, Corresponding, Alternate Interiors, Linear Pairs

Back

Same Side Interior

Front

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

Back

parallel

Front

What are corresponding angles?

Back

Angles that are in the same position on parallel lines in relation to the transversal.

Front

What is the relationship between same side interior angles?

Back

They are supplementary, meaning they add up to 180 degrees.

Front

What are alternate exterior angles?

Back

Angles that lie outside the parallel lines and on opposite sides of the transversal.

Front

What is the definition of a transversal?

Back

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

Front

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

Back

They are congruent.