Chords Arcs and Central Angles

What is a chord that passes through the center of the circle?

• Arc

• Chord

• Diameter

• Radius

What is a portion of a circle?

• Arc

• Chord

• Diameter

• Radius

What is an arc whose measure is half of a circle?

• Major Arc

• Minor Arc

• Noah's Arc

• Semi-circle

What is an arc whose measure is less than half of a circle?

• Major Arc

• Minor Arc

• Noah's Arc

• Semi-circle

What is an arc whose measure is greater than half of a circle?

• Major Arc

• Minor Arc

• Noah's Arc

• Semi-circle

What is an angle whose vertex is on the circle and whose sides are the chords of the circle?

• Central Angle

• Inscribed Angle

• Intercepted Angle

• Intercepted Arc

What is the value of x in the figure?

• 20⁰

• 40⁰

• 60⁰

• 80⁰

What is a segment whose endpoints are the center of the circle and a point on the circle?

• Arc

• Chord

• Diameter

• Radius

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

• 5/3π

• 9π

• 8/3π

• 6π

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π