Angle Quick check

Front

What is a supplementary angle?

Back

An angle that, when added to another angle, equals 180 degrees.

Front

What is the measure of an angle that is supplementary to a 75° angle?

Back

105°

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect, and they are always congruent (equal measures).

Front

What is the measure of a right angle?

Back

90°.

Front

What is the sum of the angles in a triangle?

Back

180°.

Front

What is the measure of the missing angle if one angle is 50° and the other is 90°?

Back

40°.

Front

What are adjacent angles?

Back

Angles that share a common side and a common vertex but do not overlap.

Front

What is the measure of an angle that is complementary to a 40° angle?

Back

50°.

Front

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

Back

90°.

Front

What is the measure of the missing angle if one angle is 130°?

Back

50°.