Circles: Arcs and Central Angles

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

Tags

CCSS.HSG.C.B.5

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.

Tags

CCSS.HSG.CO.A.1

Name a minor arc

• arc AD

• arc ADB

• arc AB

• arc CD

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

Name a major arc.

• arc ABD

• arc BDA

• arc BCD

• arc DA

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

CCSS.HSG.C.A.3

Given that BD is a diameter, what is the measure of arc AB?

• 140^o

• 142^o

• 180^o

• 153^o

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

• x = 160^o

• x = 40^o

• x = 80^o

• x = 360^o

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

What is the measure of arc AYB

• 50^o

• 100^o

• 180^o

• 260^o

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is the measure of angle PTQ?

• 100°

• 140°

• 180°

• 120°

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

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

• 150°
• 100°
• 210°
• 105°

Tags

CCSS.HSG.C.B.5

Solve for x.

• x=5

• x=20

• x=40

• x=85

Tags

CCSS.HSG.C.A.2

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1