Period 6/7 Complementary, Supplementary and 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

Are vertical angles congruent?

Back

Yes, vertical angles are congruent.

Front

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

Back

60° (because 30° + 60° = 90°).

Front

If one angle is 110°, what is its supplementary angle?

Back

70° (because 110° + 70° = 180°).

Front

Solve for x: If angle A is 45° and angle B is its complement, what is x?

Back

x = 45° (because 45° + x = 90°).

Front

Solve for x: If angle C is 120° and angle D is its supplement, what is x?

Back

x = 60° (because 120° + x = 180°).

Front

True or False: The sum of two complementary angles is 180°.

Back

False.

Front

True or False: The sum of two supplementary angles is 90°.

Back

False.