Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

If one angle is 40 degrees, what is the measure of its complementary angle?

Back

50 degrees.

Front

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

Back

60 degrees.

Front

What is the sum of angles in a linear pair?

Back

180 degrees.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles.

Front

If angle A is 30 degrees, what is the measure of angle B if they are complementary?

Back

60 degrees.

Front

If angle C is 75 degrees, what is the measure of angle D if they are supplementary?

Back

105 degrees.

Front

What equation would you use to find the value of x if two angles are complementary?

Back

x + y = 90.

Front

What is the relationship between complementary angles and right angles?

Back

Complementary angles sum up to form a right angle (90 degrees).