Arc Length & Sector Area

Find the arc length of the bolded arc.

• A

• B

• C

• D

• 5688π ft

• 15.8π ft

• 150.4π ft

• 54,150 ft

Find the arc length of the circle. (Round your answer to the nearest tenth.)

• 42.4 m

• 21.2 m

• 84.8 m

• 6.7 m

Match the answers to the following problems. (HINT: change your answer to decimal)

• Problem 3

• 47.1

• Problem 4

• 18.8

• Problem 2

• 5.2

• Problem 1

• 20.4

• 12.04 cm

• 24.08 cm

• 144.51 cm

• 72.26 cm

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

Find the arc length and round to the nearest hundredth. Use π instead of 3.14.

Find the arc length and round to the nearest hundredth. Use π instead of 3.14.

Find the arc length and round to the nearest hundredth. Use π instead of 3.14.