Parallel Lines Cut by a Transversal

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are corresponding angles?

Back

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

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the parallel lines.

Front

What are same-side interior angles?

Back

Angles that are on the same side of the transversal and inside the parallel lines.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If angle 1 is 135 degrees, what is angle 3?

Back

135 degrees.

Front

If two angles are supplementary, what is their sum?

Back

180 degrees.

Front

If two angles are complementary, what is their sum?

Back

90 degrees.

Front

Name a pair of corresponding angles.

Back

Angle 1 and Angle 5.

Front

Name a pair of alternate exterior angles.

Back

Angle 2 and Angle 6.