Area of a Circle Sector From Fraction to Area (Closest Integer) (Level 2)

This math topic focuses on finding the areas of circle sectors. Specifically, it involves calculating the areas of sectors given the fraction of the circle they cover and the circle's radius, and rounding the result to the nearest integer. It's a fundamental practice in understanding the geometric properties of circles, particularly how to apply the formula for the area of a sector based on the circle's radius and the angle or fraction of the circle represented by the sector. This is a practical application of geometry involving circles, sectors, and approximation techniques.

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 2)'. 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 1/8 of the circle with radius 2

a

5

b

6

c

3

d

8

e

2

f

1

2

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

a

16

b

8

c

15

d

25

e

6

f

10

3

Find the area (to the closest integer) of the green shaded sector that covers 1/6 of the circle with radius 4

a

6

b

8

c

7

d

1

e

11

f

17

4

Find the area (to the closest integer) of the green shaded sector that covers 1/6 of the circle with radius 2

a

1

b

2

c

6

d

5

e

10

f

7

5

Find the area (to the closest integer) of the green shaded sector that covers 1/3 of the circle with radius 2

a

1

b

2

c

8

d

4

e

9

f

3

6

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

a

1

b

17

c

9

d

2

e

4

f

15

7

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

a

13

b

3

c

1

d

2

e

7

f

5