Arc Length Sector

Find the exact arc length.

Find the exact length of the bold arc.

FIND THE ARC LENGTH OF THE BOLDED ARC ROUNDED TO THE NEAREST TENTH.

• A

• B

• C

• D

FIND THE ARC LENGTH OF THE BOLDED ARC ROUNDED TO THE NEAREST TENTH.

• A

• B

• C

• D

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

Match the answers to the following problems.

• Problem 4

• Problem 3

• Problem 2

• Problem 1

If the arc length is 10 inches and the central angles is 45°, what is the exact radius of the circle?

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 ft

• 35 ft

• 55 ft

• 69 ft

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

Find the exact sector area.