11-2 Area of Circles & Sectors

What is the area of this circle?

• 4π

• 8π

• 16π

• π

Tags

CCSS.7.G.B.4

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

• 49

• 10

• 7

• 14

Tags

CCSS.7.G.B.4

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

Tags

CCSS.HSG.C.B.5

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

• 8π/3

• 2π/3

• 32π/3

• 4π/3

Tags

CCSS.HSG.C.B.5

What is the area of the shaded region? Leave your answer as an exact value.

(Use A = pi*r² and A = 1/2bh)

• 25π - 50

• 25π - 100

• 5π - 50

• 5π - 100

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body?

• (464/9)π mm²

• (112/9)π mm²

• (116/9)π mm²

• (28/9)π mm²

Tags

CCSS.HSG.C.B.5

What's the area of the shaded region?

• 283.99 in²

• 13.42 in²

• 133.42 in²

• 123.76 in²

Tags

CCSS.HSG.C.B.5

What is the area of the shaded region?

• 69.53 ft²

• 72.43 ft²

• 324 ft²

• 254.49 ft²

Find the area of the given sector.

• 
• 
• 
• 

Tags

CCSS.HSG.C.B.5

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of EQUAL SIZE, what is the area of the YELLOW SECTOR? (Hint: what is the central angle measure of the yellow section?)

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 9.8 ft²

Tags

CCSS.HSG.C.B.5