Complementary, Supplementary, and Transversal Angles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If two angles are complementary, what is the sum of their measures?

Back

90°.

Front

If two angles are supplementary, what is the sum of their measures?

Back

180°.

Front

What is the relationship between transversal angles and parallel lines?

Back

Transversal angles are formed when a transversal intersects two parallel lines.

Front

What are alternate interior angles?

Back

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

Front

What are corresponding angles?

Back

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

Front

What is the measure of each angle if two angles are complementary and one measures 30°?

Back

60°.

Front

What is the measure of each angle if two angles are supplementary and one measures 70°?

Back

110°.