Circles Quiz

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.

 

A ___________ is an angle whose vertex is the center of the circle.

• central angle

• inscribed angle

• obtuse angle

• right angle

The measure of an inscribed angle is ______ of its intercepted arc.

• 180 degrees

• 360 degrees

• one-half

• twice

Name a chord.

• Segment XC
• Segment LM
• Segment HJ
• LINE BD

What is the measure of arc AB?

• 140
• 142
• 180
• 153

Find x.

• x = 160
• x = 40
• x = 80
• x = 360

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Solve for x. 

• 5
• 20
• 40
• 85

Solve for x.

• x = 6.45
• x = 8
• x = 12.6
• x = 7