Solving for Missing Angles

• Cannot be determined

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Find the m∠1

• 67

• 113

• 180

• 23

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

If m∠1 = 30°, then m∠3 = 

• 30°

• 60°

• 150°

• undetermined

• 15
• 16
• 18
• 19