Shaded Area Circle

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 25.2 in²

• 28.5 in²

• 31.4 in²

• 38.2 in²

A area between/bounded by two radii of the circle and the arc where the radii meet the circle.

• triangle

• arc length of a circle

• sector of a circle

• segment of a circle

What is this the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

• A

• B

• C

• D

• A

• B

• C

• D

• E

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 formula for a circle?

• A = πr²

• A = 2πr

• A = √π

If Pacman's mouth is open to 70° and the radius of his mouth is 8mm, what is CENTRAL ANGLE MEASURE of his Body?

• 290^o

• 270^o

• 180^o

• 110^o

Find the probability that a randomly chosen point in the figure lies in the shaded region.

• 52.3%

• 51.4%

• 47.6%

• 45.7%

The figure shows a circle inside a triangle.  Which equation could be used to find the area of the shaded region?

• = ½bh - 2πr

• = πr² - ½bh

• = ½bh - πd

• = ½bh - πr²