Angle Bisectors and Vertical Angles

If ray OR is the angle bisector of ∠POQ, and m∠POR = 38°, what is the m∠POQ?

• 19°
• 38°
• 62°
• 76°

Tags

CCSS.HSG.CO.C.9

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Tags

CCSS.7.G.B.5

Find the value of x.

• 14
• 60
• 35
• 180

Tags

CCSS.7.G.B.5

Which angle is a vertical angle to with $\angle7$  ?

•  $\angle1$  

•  $\angle5$  

•  $\angle3$  

•  $\angle6$  

•  $\angle9$  

Tags

CCSS.7.G.B.5

• 4.5

• 12

• 24

• 129

 $\overline{FG}$  bisects  $\angle BFE$ . 

Find the value of x.

• 12

• 21

• 39

• 45

Tags

CCSS.HSG.CO.C.9

 $\overline{CE}$  bisects $\angle ACD$ and  $m\angle ACD\ =\ 5a-26$ . Use the diagram to find  $m\angle ECD$ .  

• 12

• 10

• 6

• 4