Angles on a Straight Line

Which angle type is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which type of angle is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which angle type is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which type of angle is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

How many degrees are there on a straight line?

•  $90\degree$  

•  $180\degree$  

•  $270\degree$  

•  $360\degree$  

Which calculation do we need to find the missing angle?

•  $90\degree+65\degree$  

•  $90\degree+65\degree$  

•  $180\degree+65\degree$  

•  $180\degree-65\degree$  

Which calculation do we need to find the missing angle?

• $180\degree-155\degree$

• $90\degree+55\degree$

• $360\degree-55\degree$

• $180\degree+55\degree$

What is the value of angle a?

• 145

• 135

• 125

• 45

What is the size of the missing angle?

• 95

• 85

• 75

• 45

What is the size of the missing angle?

• 110

• 70

• 90

• 60