Find Circumference and Arc Length

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. Give your answer in terms of π.

• (65/12)π cm

• 17.02 cm

• (845/24)π cm

• 26π cm

Find the length of arc MPN.

Find the circumference of circle R.

What is the circumference?

• 48

• 96

• 24

• 18

Stephanie was jogging around circular track. One part of the track was darker than the rest. She found the angle to be 270 degrees. She found the diameter was thirty feet. What is the arc length around the darker part of the track she jogged on? (rounded to the nearest whole number)

• 71 feet

• 59 feet

• 84 feet

• 63 feet

Find the length of the minor arc.

Find the length of the minor arc.

Find the length of arc WY.

Find the radius of Circle R.