Area of Circles, Sectors, Segments

A chord divides the circular region in two ................. of the circle.

• sectors

• semicircles

• segments

• arcs

• segment of the circle

• arc of the circle

• circumference of the circle

• sector of the circle

• area of the half of the circle

• area of the quadrant of the circle

• area of three quadrant of the circle

• area of the circle

Area of sector is also =

Area of segment of a circle =

• Area of circle - area of sector

• Area of sector - area of circle

• Area of triangle - area of sector

• Area of sector - area of triangle

Find the area of the circle. The diameter is 18 in.

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the area formula for a circle?

• A = πr²

• A = 2πr

• A = √π

Find the area of the circle below.

• 8.76 cm²

• 18.52 cm²

• 21.90 cm²

• 28.26 cm²

What is the area of the shaded SECTOR? Round to the nearest hundredth. (u² stands for square units)

• 9.42 u²

• 113.10 u²

• 284.3 u²

• 452.39 u²

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

• 7.1 ft²