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

This math topic focuses on calculating the area of a circle sector given the arc length and the radius of the circle. Students are required to find the area (rounded to the closest integer) of green shaded sectors based on provided arc lengths and radii of circles. It is framed within a broader exploration of geometry involving circle areas, sectors, and introductory concepts involving shapes resembling donuts. This exercise enhances understanding of geometric principles and circle sector area calculations. Each problem appears with multiple-choice answers, facilitating skills in applying formulas and critical thinking in geometry.

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

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

Math worksheet on 'Area of a Circle Sector From Arc Length 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 with an arc length of 3.49 in the circle with radius 5

a

7

b

16

c

15

d

2

e

9

f

10

2

Find the area (to the closest integer) of the green shaded sector with an arc length of 2.79 in the circle with radius 4

a

3

b

1

c

11

d

9

e

14

f

6

3

Find the area (to the closest integer) of the green shaded sector with an arc length of 4.19 in the circle with radius 4

a

8

b

13

c

6

d

1

e

5

f

3

4

Find the area (to the closest integer) of the green shaded sector with an arc length of 2.51 in the circle with radius 2

a

3

b

6

c

10

d

9

e

5

f

7

5

Find the area (to the closest integer) of the green shaded sector with an arc length of 6.28 in the circle with radius 5

a

16

b

14

c

11

d

7

e

18

f

22

6

Find the area (to the closest integer) of the green shaded sector with an arc length of 1.4 in the circle with radius 2

a

7

b

8

c

1

d

4

e

6

f

9

7

Find the area (to the closest integer) of the green shaded sector with an arc length of 4.19 in the circle with radius 2

a

5

b

4

c

3

d

12

e

2

f

6