Arc Length & Chords

Which of the following can be used to calculate the circumference of a circle? (SELECT ALL THAT APPLY)

What is the arc of a circle?

• Portion of the circumference of a circle

• Center of the circle

• Distance from the center to a point

• Distance around the entire circle

Find the length of the arc.

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

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
• 8
• 9
• 12

Find the arc length of arc AB.

• 12.57 units
• 75.40 units
• 24 units
• 125.66 units

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Name a chord segment.

• Segment XC

• Line LM

• Segment HJ

• Line BD

Circle E has congruent chords AB & CD.

If arc AB=92 degrees, then what is arc CD?

• 46

• 92

• 184