Angles

Two angles are __________________ when they add up to 180 degrees.

• complementary

• supplementary

• vertical

• adjacent

Two angles are __________________ when they add up to 90 degrees.

• complementary

• supplementary

• vertical

• adjacent

Angles are measured in ______.

• centimeters

• inches

• degrees

• meters

Two angles are supplementary if the sum of their angle measures is equal to _________ degrees.

• 45

• 90

• 100

• 180

Two angles are complementary if the sum of their angle measures is equal to _________ degrees.

• 45

• 90

• 100

• 180

___________ angles are two angles that share a common vertex and share a common side.

• Vertical

• Adjacent

• Supplementary

• Complementary

The angles in a linear pair are ______________.

• Vertical

• Adjacent

• Supplementary

• Complementary

___________ angles are two non-adjacent angles that are formed by two intersecting lines.

• Vertical

• Adjacent

• Supplementary

• Complementary

_____________ angles have the same measure, or are congruent.

• Vertical

• Adjacent

• Supplementary

• Complementary

An ______________ angle measures more than 0° but less than 90°.

• obtuse

• right

• straight

• acute