P & A of Sectors

What is the area of this circle?

• 4π

• 8π

• 16π

• π

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.

• 8π/3

• 2π/3

• 32π/3

• 4π/3

What is the area of the shaded sector?

• 40π/9

• 400π/9

• 80π/9

• 1600π/9

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.

Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²
• 235.5 in²
• 78.5 in²
• 15.7 in² 

If Pacman's mouth, when open, is 72° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body? Round your answer to the nearest tenth.

(a)