Circumference of Circles and Sectors

Find the length of the bold arc.

• 61.3ft

• 20.4ft

• 7351.3ft

• 22,068ft

Find the circumference of the circle.

• 113.04

• 1017.36

• 254.34

• 56.55

Meg swam from one side of her circular pool to the other side going through the center. If Meg swam 8 feet, what is the approximate circumference of Meg's pool?

• 16 feet

• 25.13 feet

• 251.2 feet

• 4 feet

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

Given the measurements in the diagram, find the total area of the shaded regions.

• 10.47 cm²

• 52.36 cm²

• 26.18 cm²

• 5.24 cm²

Mathematical Equivalence

ON

What is the area of the shaded sector? Round your answer to the nearest hundredth.

• 13.96

• 139.56

• 27.91

• 558.22

Find the area of the shaded sector of the circle. Leave answer in terms of π

• 5.83π

• 43.75π

• 68.75π

• 4.58π

Find the area of the shaded sector.

• 30.8

• 5.5

• 18.1

• 3.3

Round all intermediate steps to the nearest thousandth. Enter only a number in the blank.

Mathematical Equivalence

ON