Central Angles and Inscribed Angles

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

• A

• B

• C

• D

What is the measure of arc AB?

• 140
• 142
• 180
• 153

What is the measure of arc AYB

• 50
• 100
• 180
• 260

Match the following.

• Minor Arc

• 
• Semicircle

• 
• Major Arc

• 

Find the measure of angle V

• 85
• 80
• 87
• 117

Which of the following can be used to calculate the circumference of a circle? (SELECT ALL THAT APPLY)

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π