Finding Central Angles in Circles

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

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 of the following would be a major arc in the diagram?

• BC

• BCD

• CD

• AB

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.

An angle whose vertex is at the center of the circle.

• Central Angle

• Inscribed Angle

• Radius

• Sector

What is being represented in the image?

• Inscribed Angle

• Central Angle 

• Secant

What type of angle is in this picture?

• Circumscribed Angle

• Inscribed Angle

• Central Angle

• Minor Angle

Find the measure of arc AB.

• 17

• 34

• 68

• 146

• 67

• 193

• 281

• 337

• 201

• A
• B
• C
• D