Angle Flashcard 2 Review

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 a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are equal.

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

What is the measure of angle 4 if angle 3 is 70 degrees and they are complementary?

Back

Angle 4 measures 20 degrees.

Front

What is the relationship between angle 5 and angle 8 if they are vertical angles?

Back

Angle 5 is equal to angle 8.

Front

If angle 1 is 45 degrees, what is the measure of its complementary angle?

Back

45 degrees.

Front

What type of angles are formed when two parallel lines are cut by a transversal?

Back

Corresponding angles, alternate interior angles, and alternate exterior angles.