Special Angle Relationships

Front

What are angles whose measures sum up to 180 degrees?

Back

Supplementary Angles

Front

What is the measure of a straight angle?

Back

180 degrees

Front

What is the complement of a 32-degree angle?

Back

58 degrees

Front

If m∠1 = 30°, what is m∠3 if they are vertical angles?

Back

30°

Front

What do you call angles that are opposite each other when two lines intersect?

Back

Vertical Angles

Front

What do you call angles that share a common side and vertex but do not overlap?

Back

Adjacent Angles

Front

What is the sum of the measures of complementary angles?

Back

90 degrees

Front

If two angles are supplementary, what is their combined measure?

Back

180 degrees

Front

What is the measure of a right angle?

Back

90 degrees

Front

If an angle measures 145 degrees, what is its supplement?

Back

35 degrees