Complimentary, Supplementary, Vertical Angles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the sum of the measures of complementary angles?

Back

90°.

Front

What is the sum of the measures of supplementary angles?

Back

180°.

Front

If one angle is 30°, what is its complementary angle?

Back

60°.

Front

If one angle is 120°, what is its supplementary angle?

Back

60°.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles and adjacent angles.

Front

Identify the angle pair: If two angles are equal and opposite each other when lines intersect, what are they called?

Back

Vertical angles.

Front

If angle A is 45°, what is the measure of its complementary angle?

Back

45°.