Arc Length and Sector Area and Equations of Circles

Find the arc length of arc AB.

• 12.57 units

• 75.40 units

• 24 units

• 125.66 units

Tags

CCSS.HSG.C.B.5

Find the arc length.

• 37.70 cm

• 6.28 cm

• 28.27 cm

• 9.42 cm

Tags

CCSS.HSG.C.B.5

Find the area 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 square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Tags

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.HSG.C.B.5

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

(a)  

Tags

CCSS.HSG.C.B.5

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

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSG.C.B.5

Find the length of arc NLJ.

round your answer to the nearest tenth

• 28.3

• 27.2

• 9.4

• 18.8

Tags

CCSS.HSG.C.B.5

Find the arc length of the circle. (Leave answers in terms of . Do not round your answer.)

Tags

CCSS.HSG.C.B.5

The diagram shows a sector of a circle of radius 4 units, formed from an angle of size 135°.

Find the length of the arc rounded to two decimal places.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.B.5

Find the arc length of the circle. (Leave answers in terms of . Do not round your answer.)

Tags

CCSS.HSG.C.B.5