Complementary, Supplementary & Vertical Angles

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect

Front

Vertical angles are always

Back

congruent (equal measures)

Front

Complementary angles always add up to

Back

90

Front

Two angles added together to produce 90 degrees

Back

Complementary

Front

Supplementary angles always add up to

Back

180

Front

Back

Front

Which are pairs of vertical angles? Options: ∠COB and ∠COA, ∠AOD and ∠AOC, ∠COB and ∠AOD, ∠BOD and ∠AOD

Back

∠COB and ∠AOD

Front

These angles are... Complementary, Supplementary, Neither

Back

Supplementary

Front

Find the missing angle. Find x. Options: 20^o, 70^o, 160^o, 180^o

Back

20^o

Front

Are these angles complementary?

Back

True