Circle Angles Vertex at Center and on the Circle

Which number best represents a central angle?

• 1
• 2
• 5
• 9

• A
• B
• C
• D

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.

• A
• B
• C
• D

• A
• B
• C
• D

Inscribed angle: an angle with its vertex _____________ the circle

• at the center of

• on

• outside

• inside

• A
• B
• C
• D

Solve for x. 

• 5
• 20
• 40
• 85

Name a minor arc

• AD
• ADB
• AB
• CD

• A
• B
• C
• D