Finding Arc Length and Sector Area Radians

What is the area of the shaded region? Round to the nearest hundredth.

• 8π/3

• 2π/3

• 32π/3

• 4π/3

What is the area of the shaded sector?

• 221π/36

• 3757π/72

• 3757π/18

• None of these

What is the area of the shaded sector?

• 40π/9

• 400π/9

• 80π/9

• 1600π/9

What is the green area called?

• Sector

• Circumference

• Arc Length

• Area

Find exact length of the un-shaded part of the circle.

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

• Problem 1

• 47.1

• Problem 2

• 18.8

• Problem 4

• 20.4

• Problem 3

• 5.2

Find the length of the bold arc.Leave pi in your answer.

• 5688π ft

• 15.8π ft

• 150.4π ft

• 54,150 ft

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

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

Find the area of a sector with an arc length of 30 cm and a radius of 8 cm.

• 240 cm²

• 80 cm²

• 120 cm²

• 180 cm²