Circle Portion and Angle Measure

This is what kind of angle?

• obtuse

• right

• straight

• acute

Find the value of the angle marked x....

• 102

• 51

• 129

• 78

Find the value of the angle marked x....

• 40

• 45

• 50

• 60

Find the value of the angle marked x....

• 50

• 100

• 80

• 45

1. (a)   2.​ (b)   3.​ (c)   ​4. ​ (d)   5. ​ (e)  

• 7

• 8

• 118

• 125

• 135

• 146

• 79

• 304

• 145

• 204

What is the value of the missing angle "?"

• 62º

• 56º

• 50º

• 46º

What is the measure of a semicircle?

• 60

• 180

• 70

• 90

Find a and b.

a

b

90

93

74

87

106

• 160

• 175

• 12.5

• 25

• 80

• 87.5

Determine the measure of ∠NOP

• 15°

• 20°

• 40°

• 50°