Central Angles and Arcs Quick Check

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

• 150°

• 100°

• 210°

• 105°

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

• a
• b
• c
• d

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°

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