Prove Angle Pair Relationships

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

What type of angles are these? (select 3)

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angles are vertical angles?

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC

Which angle is a linear pair with \angle5 ?

Supplementary angles always add up to

What type of angles are these? (select 2)

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Which angle is a vertical angle to with \angle7 ?

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62