Circle Angles Arcs

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

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 length of the bold arc.

• 61.3ft

• 20.4ft

• 7351.3ft

• 22,068ft

What is the arc length of minor arc AB?

• 5.23

• 103

• 33.33

• 50

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

Find the arc length of arc AB.

• 12.57 units

• 75.40 units

• 24 units

• 125.66 units

Find the missing angles or arcs.

4. 

• 123°

• 57°

• 132°

• 66°