Circles Congruent Chords and Arcs

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

• 150°
• 100°
• 210°
• 105°

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

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.

What is the measure of arc WYZ?

• 231°

• 255°

• 168°

• 200°

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.

Solve for x. 

• 5
• 20
• 40
• 85

Find the arc measure for arc VW

• 45˚

• 25˚

• 17˚

• 55˚

Find the value of X

• 20

• 6

• 10

• 4

Find the value of x.

• 10
• 181
• 34
• 40

Find the value of x.

• 15
• 13
• 3
• 6