Area of Plane Figures and Sector of Circle

What is the area of this circle?

• 25π

• 10π

• π

• 5π

What is the area of the shaded sector?

• 69.78 ft²

• 2791.11 ft²

• 558.22 ft²

• 697.78 ft²

Find the area of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to thenearest tenth of a square unit.

• 0.3 square units

• 15.7 square units

• 19.7 square units

• 50.3 square units

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

• 26

• 452.39

• 113.10

• 40715.04

What is the area of the shaded sector?

• 7.14 in²

• 5.23 in²

• 97.34 in²

• 15.7 in²

What is the area of the shaded sector?

• 145.31 cm²

• 20.76 cm²

• 581.25 cm²

• 470.13 cm²

What is the area of the shaded region? Leave answers in terms of π.

• ⅜π

• 8/3π

• ⅔π

• 4/3π

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