Arc Length and Area of a Sector

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90

• 60

• 55

• 113

What is the area of the shaded sector?

• 69.78 ft²

• 2791.11 ft²

• 558.22 ft²

• 697.78 ft²

What is the area of the shaded sector?

• 7.14 in²

• 5.23 in²

• 97.34 in²

• 15.7 in²

What is the area of the shaded sector?

• 145.31 cm²

• 20.76 cm²

• 581.25 cm²

• 470.13 cm²

What is the area of the shaded sector?

• 743.61 cm²

• 655.39 cm²

• 163.85 cm²

• None of the above

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

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 OF THE BOLDED ARC

• A

• B

• C

• D

What is the area of the shaded region? Leave answers in terms of π.

• ⅜π

• 8/3π

• ⅔π

• 4/3π

Find the area of the sector.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in