ARC LENGTH

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

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

• supplementary
• complimentary
• central
• obtuse

Tags

CCSS.HSG.C.A.2

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

• 7/4π
• 7/2π
• 1/8π
• 45π

Tags

CCSS.HSG.GMD.A.1

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40
• 35
• 55
• 69

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

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

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Tags

CCSS.HSG.GMD.A.1

Find the degree measure of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to the nearest tenth of a square unit.

• 118.2⁰
• 112.4⁰
• 353.3⁰
• 224.9⁰

Find the length of the arc of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a inch.

• 5.2  in.
• 10.5  in.
• 31.4  in.
• 38.2  in.

Tags

CCSS.HSG.C.B.5

The distance along an arc measured in linear units.

• area of a sector
• arc length
• arc of a circle
• sector of a circle