Circle Length of Arc and Sector

What is the area of the shaded sector?

• 743.61 cm²

• 655.39 cm²

• 163.85 cm²

• None of the above

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

• ⅜π

• 8/3π

• ⅔π

• 4/3π

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

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

• 7/4π

• 7/2π

• 1/8π

• 45π

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

A region bounded by an arc and its chord is a

• sector of a circle

• arc of a circle

• arc length of a circle

• segment of a circle

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.

• 9.2 units

• 8.8 units

• 8.4 units

• 8.1 units

If the length of the 45° region of this circle is 10 inches, what is the radius of the circle?

• 6in

• 3in

• 6.8in

• 2.5in

The distance along an arc in linear units.

• area of a sector

• arc length

• arc measure

• segment of a circle

In a​ circle, a 90° sector has area 64π in². What is the radius of the​ circle?

• 16 in

• 32 in

• 64 in

• 128 in