Missing Angle Measurements

Front

What is the measurement of a straight angle?

Back

180 degrees

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

What is the measurement of a right angle?

Back

90 degrees

Front

What is the measurement of angle x if angle y is 15 degrees and they are complementary?

Back

75 degrees

Front

What is the measurement of angle y if angle x is 25 degrees and they are supplementary?

Back

155 degrees

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

If one angle measures 40 degrees, what is the measurement of its complement?

Back

50 degrees.

Front

If angle A is 30 degrees, what is the measurement of angle B if they are supplementary?

Back

150 degrees.