Sectors and Arc Length

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.

• 8π

• 4π

• 8π/3

• 16π/3

A farmer places a sprinkler in the center of a field to water the crops. The water reaches 6 meters out from the sprinkler and covers an arc of 100°. Find the area of the part of the field that is covered by the sprinkler to the nearest tenth of a square meter.

• 9.2 sq. m

• 10.5 sq. m

• 31.4 sq. m

• 38.2 sq. m

What is the area of the shaded sector?

• 108π in²

• 36π in²

• 144π in²

• 24π in²

What is the area of this semicircle with a diameter of 8 cm?

• 8π cm²

• 4π cm²

• 16π cm²

• 64π cm²

An extra large pizza with a diameter of 24 inches is shown. Find the area of the slice of pizza shaded in the picture. Round your answer to the nearest tenth.

• 18.8 units²

• 9.4 units²

• 113.1 units²

• 77.6 units²

Leslie is jogging on a circular track that has a radius of 360 feet. She runs along the track from point R to point N, covering an arc of 100°. Find the distance from point R to point N to the nearest foot.

• 628 feet

• 314 feet

• 2262 feet

• 1131 feet

Anthony's pizza bakes pepperoni slices into the outer edge of crust on their 20 inch wide pizza. There is 1 piece of pepperoni placed on each inch of crust. To the nearest whole, how many pieces of pepperoni will there be on one slice if the pizza is cut into 8 equal slices?

• 8

• 10

• 20

• 63