Math 2 Unit 4 L1-3

Pair of angles with a common vertex, a common side, and no common interior points

• adjacent angles
• vertical angles
• complementary angles
• same side interior angles

Two angles whose sum is 90 degrees

• complementary
• supplementary
• linear pair
• adjacent angles

A portion of a line consisting of 2 endpoints and all points between them

• line segment
• ray
• line
• point

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Are the angles shown vertical angles, a linear pair, or neither?

• vertical angles

• linear pair

• neither

Are the angles shown vertical angles, a linear pair, or neither?

• vertical angles

• linear pair

• neither

Find the value of x.

• x=125

• x=55

• x=45

The measures of vertical angles....

• add up to 90 degrees

• add up to 180 degrees

• are the same

The measures of the angles in a linear pair...

• add up to 90 degrees

• add up to 180 degrees

• are the same