Ms Angle Pair Relationships

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC

Which names a pair of adjacent angles?

• ∠CXD and ∠FXE

• ∠CXF and ∠DXE

• ∠CXD and ∠DXE

Which angles are vertical angles?

Which angle is a vertical angle to with \angle7 ?

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

What is the value of x?

• 37

• 72

• 108

• 18