Parallel Lines and Transversals Relationship Names

Select all the pairs that represent alternate interior angles.

Which line is the transversal?

Select all the pairs that represent vertical angles.

Select all the pairs that represent corresponding angles.

Select all the pairs that represent alternate exterior angles.

Select all the pairs that represent consecutive interior (or same-side interior) angles.

Alternate interior angles are ________________.

Alternate exterior angles are ________________.

Corresponding angles are ________________.

Consecutive interior (same-side interior) angles are ________________.

Explain what is meant when we say that two angles are congruent.

Explain what is meant when we say that two angles are supplementary.