Area of Circles, Sectors

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 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

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Name the circle part shown in green

• Sector

• Arc

• Segment

• Radius

Find the area of the circle.

• 18.84 m²

• 113.1 m²

• 37.68 m²

• 452.16 m²

Find the area of the circle

• 56.52 in²

• 254.47 in²

• 1017.36 in²

• 113.04 in²

what is the area of a circle with the diameter of 10cm ?

• 66 cm²

• 78.5 cm²

• 66.5 cm²

• 10 m²