Circles, Angles, and Arcs

An angle in a circle with vertex on the circle itself

• Angle
• Central angle
• Inscribed angle
• Chord

An angle in a circle with vertex on the center of the circle

• Central angle
• Angle
• Inscribed angle
• Circle

Which number best represents an inscribed angle?

• 1

• 2

• 8

• 9

Tags

CCSS.HSG.C.A.2

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

Tags

CCSS.HSG.C.A.2

Find the measure of arc AB.

• 17
• 34
• 68
• 146

Tags

CCSS.HSG.C.A.2

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.2

Solve for x. 

• 5
• 20
• 40
• 85

Tags

CCSS.HSG.C.A.2

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

• 150°
• 100°
• 210°
• 105°

Tags

CCSS.HSG.C.A.2

• A
• B
• C
• D

Tags

CCSS.4.MD.C.7

What is the measure of angle ABC?

• 90
• 180
• 45
• 80

Tags

CCSS.HSG.C.A.2