Arcs, Sectors, and Segments

Find the length of the arc.

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40

• 35

• 55

• 69

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Find the area of the sector with a measure of 60 degrees and radius of 10in.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in

Find the area of the sector with a radius of 3m and measure of 150 degrees.

• 4248 m²

• 7.9 m²

• 2827.4 m²

• 11.8 m²

What is the area of the shaded sector?

• 339.12 in²

• 113.04 in²

• 339.29 in²

• None of the above

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

• 100.48cm²

• 80cm²

• 200.96cm²

• none of the above

Find the length of the shaded arc. Round to the nearest tenth. Use the pi key.

Find the length of the shaded arc. Use the pi button. Round to the nearest tenth.

Find the area of sector AOB. Use the pi button and 4 decimal places.