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 angle A is 30°, what is the measure of its complementary angle?

Back

60°

Front

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

Back

60°

Front

What is an example of a pair of complementary angles?

Back

45° and 45°.

Front

What is an example of a pair of supplementary angles?

Back

110° and 70°.

Front

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

Back

90 degrees.

Front

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

Back

180 degrees.

Front

Find the value of x if angle 1 is 25° and angle 2 is x, and they are complementary.

Back

x = 65°.

Front

Find the value of x if angle 1 is 75° and angle 2 is x, and they are supplementary.

Back

x = 105°.