Find Measure of Missing Angles

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

If m∠1 = 30°, then m∠3 = 

• 30°

• 60°

• 150°

• undetermined

Q1. What is the value of x?

• 15

• 16

• 18

• 19

What is the measure of the missing angle?

• 39°

• 129°

• 119°

• 129°

Find the m∠1

• 67

• 113

• 180

• 23

• x = 118
• x = 108
• x = 28
• x = 58

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Find the missing angle.

• 60°

• 70°

• 50°

• 140