Area of Quadrilaterals and Circles and Sectors

What is the area of this circle?

• 4π

• 8π

• 16π

• π

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

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?

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 7.1 ft²

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

• 25π m²

• 10π m²

• π m²

• 5π m²

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

• ⅜π

• 8/3π

• ⅔π

• 4/3π

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π

Name the circle part shown in green

• Sector

• Arc

• Segment

• Radius

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56

• 16π or about 50.24

• 2π or about 6.28

• 8π or about 25.12

What is the area of this circle?

• 25π

• 10π

• π

• 5π

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