Angles on a Straight Line

In the figure below, not drawn to scale, ABC is an isosceles triangle. YBX is a straight line. AC// YBX. ∠BAC = 30°. What is the value of ∠CBX?

• $30\degree$

• $35\degree$

• $40\degree$

• $45\degree$

In the figure below (not drawn to scale), AOD is a straight line. ∠BOC = 27°. What is the value of ∠COD?

•  $60\degree$  

•  $90\degree$  

• 
  

   $63\degree$  
  

•  $33\degree$  

In the figure below (not drawn to scale), AOD is a straight line. Find the difference between ∠AOB and the ∠COD.

• $90\degree$

• 
  

  $40\degree$
  

• $25\degree$

• $15\degree$

In the figure below (not drawn to scale), line AOD is a straight line. The sum of ∠AOB and ∠COD is 73°. What is the value of ∠BOC?

•  $107\degree$  

•  $100\degree$  

•  $73\degree$  

•  $60\degree$  

In the figure below (not drawn to scale), AOD is a straight line. Find the difference between ∠AOB and the ∠COD.

• $90\degree$

• $59\degree$

• $31\degree$

• $28\degree$

In the figure below (not drawn to scale), AOD is a straight line. Find the difference between ∠AOB and the ∠COD.

•  $57\degree$  

•  $33\degree$  

•  $24\degree$  

•  $21\degree$  

In the figure below (not drawn to scale), AOD is a straight line. Find the difference between ∠AOB and the ∠COD.

• $36\degree$

• $32\degree$

• $27\degree$

• $22\degree$

In the figure below, (not drawn to scale), AOD is a straight line. ∠AOB = 108° and ∠ BOC = 12°.
What is the value of ∠COD?

•  $12\degree$  

•  $108\degree$  

•  $58\degree$  

• 
  

   $60\degree$  
  

In the figure below, ABCD is a square. The value of ∠ADE is 63°. What is the value of ∠CDF?

• $37\degree$

• $58\degree$

• $30\degree$

• $27\degree$

In the figure below (not drawn to scale), AOD is a straight line. Find the difference between ∠AOB and the ∠COD.

•  $25\degree$  

•  $37$  

• 
  

   $40\degree$  
  

•  $65\degree$