Areas of Circles and Sectors | Baamboozle - Baamboozle

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Geometry Lesson 11-3 Areas of Circles and Sectors

Study Slideshow

A circular pool is surrounded by a circular sidewalk. The circular sidewalk is 3 feet wide. The diameter of the sidewalk and pool is 26 feet. What is the area of the sidewalk and pool?

169π or 314.2 ft^2

15

Julie needs to cover the top and bottom of a can of soup with construction paper to include in her art project. Each has a diameter of 7.5 centimeters. What is the total area of the can that Julie must cover?

88.4 cm^2

15

A circular window on a ship has a radius of 8 inches. What is the area of the window? Round your answer to the nearest hundredth.

201.06 in^2

15

The lobby of a bank features a large marble circular table. The diameter of the circle is 15 feet. What is the area of the circular table? round your answer to the nearest tenth

176.7 ft^2

15

If a clock's face measures 14 inches across, how much area is between the minute and hour hands at 5 o' clock? (approximate pi to 3.14)

49.00 sq. in.

15

A sector with a radius of 10 cm has a central angle measure of 252°.

70πcm^2

10

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 mm^2

15

Find the length of the bold arc.

61.3 ft

10

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 the nearest tenth of a square unit.

15.7 square units

10

A region bounded by two radii of the circle and their intercepted arc is a _________

sector of a circle

10

Find the area of the shaded sector. Use 3.14 for pi. Round to the nearest tenth.

24.7 units^2

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A circle has a circumference of 36π meters. What is the radius of the circle?

18 meters

10

Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

235.5 in^2

10

FIND THE SECTOR AREA OUTLINED IN BOLD

461.8 sq. cm.

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A circular table top has an area of 324 square inches. Which measurement is closest to the radius of the table top in inches?

10.2 in.

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

558.22

10