Circles Geometry Vocabulary 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.

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.

Name a minor arc

• arc AD
• arc ADB
• arc AB
• arc CD

What is the measure of arc AD?

• 38°
• 142°
• 180°
• 153°

Tags

CCSS.HSG.C.A.2

What is the measure of arc AB?

• 140°
• 142°
• 180°
• 153°

Tags

CCSS.HSG.C.B.5

Solve for measure of ∠AOB.

• x = 160°
• x = 40°
• x = 80°
• x = 360°

Tags

CCSS.HSG.C.A.2

What is the measure of arc AXB

• 50°
• 100°
• 180°
• 260°

Tags

CCSS.HSG.C.B.5

What is the measure of arc AYB

• 50°
• 100°
• 180°
• 260°

Tags

CCSS.HSG.C.A.2

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Tags

CCSS.HSG.C.A.2

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

• 150°
• 100°
• 210°
• 105°

Tags

CCSS.HSG.C.B.5