Chapter 10 Review Circles

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

• a
• b
• c
• d

Name a minor arc

• AD
• ADB
• AB
• CD

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

What is the measure of arc AB?

• 140
• 142
• 180
• 153

What is the measure of arc WYZ?

• 231
• 255
• 168
• 200

• x = 160
• x = 40
• x = 80
• x = 360

What is the measure of arc AYB

• 50
• 100
• 180
• 260

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Solve for x. 

• 5
• 20
• 40
• 85