Day 122 Complementary and Supplementary 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

If one angle measures 30°, what is the measure of its complementary angle?

Back

60°.

Front

If one angle measures 120°, what is the measure of its supplementary angle?

Back

60°.

Front

What is the sum of two complementary angles?

Back

90°.

Front

What is the sum of two supplementary angles?

Back

180°.

Front

If angle A is 45°, what is angle B if A and B are complementary?

Back

45°.

Front

If angle C is 100°, what is angle D if C and D are supplementary?

Back

80°.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles.

Front

What is the measure of an angle that is supplementary to a 156° angle?

Back

24°.