Angles and Geometry Quiz

Two angles whose sum is 180° are called _______?

• vertical angles

• supplementary angles

• obtuse angles

• complementary angles

Two angles whose sum is 90° are called _______?

• vertical angles

• supplementary angles

• obtuse angles

• complementary angles

If m∠D + m∠E = 180°, then ∠D and ∠E are classified as _______.

• complementary

• isosceles

• obtuse

• supplementary

∠1 and ∠2 are called _______.

• right angles

• vertical angles

• supplementary angles

• complementary angles

The angles shown are best classified as _______.

• right angles

• vertical angles

• complementary angles

• supplementary angles

∠DEQ and ∠REQ are best classified as _______.

• right angles

• straight angles

• complementary angles

• supplementary angles

Which of these are supplementary angles?

• ∠ABC and ∠DEF

• ∠DEF and ∠GHI

• ∠GHI and ∠ABC

• ∠JKL and ∠DEF

Which angles are vertical angles?

• ∠4 and ∠6

• ∠1 and ∠3

• ∠2 and ∠5

• ∠1 and ∠2

What kind of angles are angles x and y?

• Supplementary

• Complementary

• Vertical

• Adjacent

If an angle has a measure of 43°, what is the measure of its complement?