Arc length and area of a sector

The following is the formula for________?

• arc length

• area of a sector

• area of a segment

• arc measure

Find the arc length of the bolded arc.

• A

• B

• C

• D

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

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.
Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

Find the length of the bold arc.

• 61.3ft

• 20.4ft

• 7351.3ft

• 22,068ft

Tags

CCSS.HSG.C.B.5

What is the radius if the diameter is 27?

• 135

• 13.5

• 1.35

• I do not know

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 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.

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5