Angles

How many degrees are there on a straight line?

Which calculation do we need to find the missing angle?

Which calculation do we need to find the missing angle?

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

What is the size of the missing angle?

• 65

• 130

• 50

• 70

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

What is the value of angle a?

• Not enough information

• 65

• Vertically Opposite

• 115

What is the value of angle a?

• 230

• 60

• 260

• 240