Length of an Arc

what is the arc length

• 5.23

• 103

• 33.33

• 50

Find the area 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 thenearest tenth of a square unit.

• 0.3 square units

• 15.7 square units

• 19.7 square units

• 50.3 square units

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 length of the arc to 2dp

• 25.12cm

• 12.57cm

• 628.32cm

• 31.42cm

Find the arc length indicated by the bolded arc.

• 8.3 in

• 7.2 in

• 6.8 in

• 6.4 in

Find the arc length indicated by the bolded arc.

• 17.3 km

• 79.1 km

• 95.0 km

• 99.0 km

Given that m∠AOB = 13π/18 and the radius is 8 cm, what is the length of arc AB?

• 13π/8 cm

• 52π/9 cm

• π/9 cm

• 9π/52

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 indicated by the bolded arc.

• 8.4 mi

• 9.4 mi

• 60.2 mi

• 117.8 mi

Find the arc length of the bolded arc.

• A

• B

• C

• D