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Area of Circle Sector 11.3

Last updated over 1 year ago

10 questions

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The area for the sector of a circle is found by using the formula

A = π • r² • m/360

r is the radius of the circle. 

m is the measurement of the angle making the sector. 

For the first problem below #3A

It would be 

π • 4² • 53/360

And that would equal 7.4 ft²

Question 1

1.

Find the area of this sector.

52.52 cm²

47.52 cm²

18.72 cm²

37.82 cm²

Question 2

2.

Find the area of this sector.

354.6 mm²

668.9 mm²

563.8 mm²

463.6 mm²

Question 3

3.

Find the area of this sector.

Be careful on this one. It is looking for the area of the entire shaded part. Remember there are 360° in a circle.

685.07 cm²

725.46 cm²

589.09 cm²

645.23 cm²

Question 4

4.

Find the area of this sector.

626 cm²

983 cm²

1223 cm²

873 cm²

Question 5

5.

Find the area of this sector.

36.9 cm²

29.8 cm²

27.5 cm²

23.5 cm²

Question 6

6.

Find the area of this sector.

9.59 in²

10.04 in²

12.34 in²

11.56 in²

Question 7

7.

Find the area of this sector.

26.8 cm²

58.8 cm²

40.2 cm²

65.8 cm²

Question 8

8.

Find the area of this sector.

167.1 ft²

267.6 ft²

161.7 ft²

254.8 ft²

Question 9

9.

31.8 in²

44.4 in²

27.8 in²

34.5 in²

Question 10

10.

16.85 in²

13.09 in²

15.86 in²

14.37 in²