Quiz about Area and Sector

Question 1

If the radius of this orange is 16mm, what is the approximate area of one section? (Hint: There are 10 congruent sections of the orange.)

Accepted Answer

80.4mm2

Answer

71mm2

Answer

31.5mm2

Answer

31.4cm2

Question 2

Find the EXACT area of the sector.

Accepted Answer

$$27\pi\ km^2$$

Answer

$$25\pi\ km^2$$

Answer

$$\frac{539\pi}{3}km^2$$

Answer

$$3\pi\ km^2$$

Question 3

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

Accepted Answer

9.62 cm2

Answer

9.25 cm2

Answer

9.15 cm2

Answer

9.99 cm2

Question 4

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

Accepted Answer

63.585 ft²

Answer

68.345 ft²

Answer

64.585 ft²

Answer

61.345 ft²

Question 5

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

Accepted Answer

28.26 m2

Answer

31.25 m2

Answer

29.55 m2

Answer

30.36 m2

Question 6

Find the sector area of the shaded region.

Accepted Answer

42.739 cm²

Answer

51.367 cm²

Answer

6.106 cm2

Answer

12.211 cm²

Question 7

Find the sector area of the blue piece.

Accepted Answer

10.598 m2

Answer

2.355 m2

Answer

4.710 m2

Answer

7.684 m2

Question 8

Find the area of the circle

Accepted Answer

153.86

Answer

43.96

Answer

87.82

Answer

307.72

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