Central Angles and Arc Measures

Name a minor arc

• AD
• ADB
• AB
• CD

Name a major arc.

• ABD
• BDA
• BCD
• DA

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 ∠PTQ?

• 100°
• 140°
• 180°
• 120°

If the measure of arc ABC = 210°, what is the measure of arc AC?

• 150°
• 100°
• 210°
• 105°

Solve for x. 

• 5
• 20
• 40
• 85

Find the measure of <XTY

• 65
• 98
• 70
• 52

• A point of tangency
• A tangent
• A center
• Outside of circle C

Using the circle with center O, identify a secant.

• MN
• EC
• OC
• DF

What is an angle whose vertex is at the center of a circle and whose sides pass through a pair of points on the circle?

• Arc
• Central Angle
• Inscribed Angle
• Intercepted Arc