Area of a Circle Sector From Fraction to Area (Closest Integer) (Level 3)

This math topic focuses on calculating the area of a circle sector to the closest integer. It involves determining the area of sectors with varying fractions (e.g., 2/3, 1/3, 2/5, 3/8) of circles with different radii. The questions require applying the formula for the area of a circle sector, which combines understanding of circle geometry and fractional multiplication, enhancing problem-solving and precision skills in geometry, particularly related to circle sectors. This is framed within a broader context of introductory circle geometry, covering areas, sectors, and related concepts.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Area of a Circle Sector From Fraction to Area (Closest Integer) Worksheet

Math worksheet on 'Area of a Circle Sector From Fraction to Area (Closest Integer) (Level 3)'. Part of a broader unit on 'Geometry - Circle Area, Sectors and Donuts - Intro' Learn online: app.mobius.academy/math/units/geometry_circles_sector_donut_area_logic_intro/

1

Find the area (to the closest integer) of the green shaded sector that covers 1/3 of the circle with radius 5

a

14

b

26

c

18

d

36

e

12

f

22

2

Find the area (to the closest integer) of the green shaded sector that covers 3/5 of the circle with radius 4

a

18

b

30

c

15

d

27

e

45

f

33

3

Find the area (to the closest integer) of the green shaded sector that covers 3/8 of the circle with radius 3

a

11

b

12

c

8

d

20

e

17

f

10

4

Find the area (to the closest integer) of the green shaded sector that covers 2/3 of the circle with radius 6

a

138

b

47

c

33

d

131

e

19

f

75

5

Find the area (to the closest integer) of the green shaded sector that covers 2/3 of the circle with radius 3

a

26

b

9

c

19

d

24

e

21

f

25

6

Find the area (to the closest integer) of the green shaded sector that covers 1/3 of the circle with radius 4

a

12

b

23

c

17

d

26

e

14

f

20

7

Find the area (to the closest integer) of the green shaded sector that covers 1/3 of the circle with radius 6

a

56

b

44

c

14

d

32

e

62

f

38