Angle Relationships

Front

Two angles with a sum of 90 degrees

Back

Complementary

Front

Angles whose measure sum up to 180 degrees.

Back

Supplementary

Front

What is an example of a pair of complementary angles? Options: 13° and 45°, 10° and 170°, 81° and 9°, 90° and 3°

Back

81° and 9°

Front

Vertical angles are always

Back

congruent

Front

What type of angle is shown? Options: acute, obtuse, right, straight

Back

right

Front

complementary, supplementary, or neither?

Back

Supplementary

Front

What angle is vertical to angle 2?

Back

∠5

Front

What type of angles are these?

Adjacent Angles

,

Linear Pair

,

Complementary Angles

,

Supplementary Angles

,

Vertical Angles

Back

Adjacent Angles

Front

Which are pairs of adjacent angles? Options: ∠COB & ∠DOA, ∠AOD & ∠AOC, ∠COB & ∠AOD, ∠BOD & ∠AOC

Back

∠AOD & ∠AOC

Front

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

Back

∠COB & ∠AOD