Parts of a Circle Central Angles

Name a major arc.

(Nombra un arco mayor.)

• ABD

• BDA

• BCD

• DA

What is the measure of ∠PTQ?

(¿Cuál es la medida de ∠PTQ?)

• 100°

• 140°

• 180°

• 120°

• Point of Tangency

• Radius

• Circle

• Tangent

Name the pictured part of the circle.

• Radius

• Central Angle

• Sector

• Center

• Arc

Identify the highlighted part of the circle.

(a)  

• Inscribed Angle

• Intercepted Arc

• Central Angle

• Radius

• Diameter

• Semicircle

• Center

Find the measure of arc JK.

• 339

• 159

• 201

• 21

What is the measure of the missing arc?

• 160º

• 95º

• 80º

• 180º

• A
• B
• C
• D

central angle: an angle with its vertex _____________ the circle

• at the center of

• on

• A
• B
• C
• D