Find the Missing Vertical Angle

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What is the value of x?

• 37

• 72

• 108

• 18

Find X 

• 28

• 5

• 55

• 40

Solve for x

• 6

• 140

• 20

• 90

What angle pair is pictured?

• Alternate Interior Angles

• Supplementary Angles

• Vertical Angles

• Corresponding Angles

Which angles are vertical angles?

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD