Area of Circles and Sectors

What is the area of this circle?

• 4π

• 8π

• 16π

• π

What is the area of this circle?

• 25π

• 10π

• π

• 5π

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π

What is the radius of a circle with an area of 49π?

• 49

• 10

• 7

• 14

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer as an exact value

• 5π/3

• 10π/3

• 10π

• 40π

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26

• 452.39

• 9.42

• 113.10

What is the area of the shaded region? Round to the nearest hundredth.

• 8.37

• 2.09

• 33.49

• 4.19

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

• 19.28

• 163.85

• 655.39

• None of these

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

• 13.96

• 139.56

• 27.91

• 558.22

A circular table top has an area of 324 square inches. Which measurement is closest to the radius of the table top in inches?

• 10.2 in.

• 18.0 in.

• 56.5 in.

• 103.1 in.