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 90°

Back

81° and 9°

Front

If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?

Back

60

Front

Are these angles complementary, supplementary or neither? Options: complementary, supplementary, neither

Back

complementary

Front

Name the vertical angle to
∠h. Options: ∠f, ∠i, ∠g, ∠j

Back

∠f

Front

∠1 and ∠2 are _____________

Back

Adjacent

Front

What angle is adjacent and supplementary to angle 5? Options: ∠4, ∠1, ∠3, ∠2

Back

∠1

Front

Name a pair of vertical angles in the figure: ∠1 and ∠4, ∠6 and ∠5, ∠2 and ∠4, ∠1 and ∠6.

Back

∠1 and ∠4

Front

Pairs of opposite angles made by two intersecting lines

Back

vertical angles