Area of Circles & Sectors

What is the area of this circle in terms of pi?

• 4π

• 8π

• 16π

• π

What is the area of this circle? Leave your answer in terms of pi.

• 25π m²

• 10π m²

• π m²

• 5π m²

Tags

CCSS.7.G.B.4

What is the area of this circle? Round your answer to the nearest tenth.

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

• 49

• 10

• 7

• 14

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.REI.B.4

CCSS.HSG.GMD.A.1

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 in terms of pi.

• 5π/3 in²

• 10π/3 in²

• 10π in²

• 40π in²

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

What is the area of the shaded region? Leave your answer in terms of  $\pi$  . 

• 8π/3  square units

• 2π/3  square units

• 32π/3 square units

• 4π/3 square units

What is the area of the shaded sector?

• 1256.6 ft²

• 55.9 ft²

• 139.6 ft²

• 558.5 ft²

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.

The area of a sector with a radius of  $6\ cm$  is  $\frac{113}{10}\pi\ cm^2$ . Calculate the angle of the sector.