Angle Relationships

Front

What are supplementary angles?

Back

Angles that add up to 180°

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect

Front

What are complementary angles?

Back

Angles that add up to 90°

Front

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

Back

∠AOD & ∠AOC

Front

Which phrase about complementary and supplementary angles is incorrect? Options: Complementary angles have to be adjacent., Supplementary angles equal 180°., Complementary angles can make a right triangle., Complementary angles add up to be half of 180°.

Back

Complementary angles have to be adjacent.

Front

Is the set of angles complementary, supplementary, or neither?

Back

Complementary

Front

These angles are...

Back

Supplementary

Front

What angle pair is this?

Back

Complementary angles (add up to 90^o)

Front

∠1 and ∠3 can best be described as - complementary angles, supplementary angles, vertical angles, adjacent angles

Back

vertical angles

Front

Are these angles an example of complementary, supplementary, or neither? Options: Complementary, Supplementary, Neither

Back

Supplementary