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Worksheets

Circles

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

If the radius is 2 inches, what is the diameter?

a)

6ft

b)

4in

c)

7in

d)

0in

2.

If the diameter is 6 feet, what is the radius?

a)
5 feet
b)
4 feet
c)
3 feet
d)
2 feet
3.

If the radius is 7 cm, what is the diameter?

a)
14 cm
b)
16 cm
c)
12 cm
d)
10 cm
4.

What is the radius if the diameter is 8 cm?

a)
4 cm
b)
3 cm
c)
10 cm
d)
6 cm
5.

Find the area of the circle If the radius of the circle is 11.

Use 3.14 and round to the nearest tenth.

a)

379.9 cm^2

b)

363 cm^2

c)

242 cm^2

d)

484 cm^2

6.

If the radius is 12 ft. What is the area?

Use 3.14 and round to the nearest tenth.

a)

144 ft^2

b)

24 ft ^2

c)

452.2 ft^2

d)

288 in^2

7.

What is the circumference if the diameter is 14 ft?

Use 3.14 and round to the nearest tenth

a)

44.0 ft

b)

7 ft

c)

28 ft

d)

45.34ft

8.

Find the area if the radius is 6 cm.

Use 3.14 and round to the nearest tenth

a)

72 cm^2

b)

18 cm^2

c)

12 cm^2

d)
  1. 113.0 cm^2

9.

What is the circumference if the diameter is 7 cm? Use 3.14 and round to the nearest tenth.

a)

21.9 cm

b)

22.1 ft

c)

22.0 cm

d)

22.2 in

10.

Find the area of a circle if the radius is 13 meters.

Use 3.14 and round to the nearest tenth.

a)

265.3 cm

b)

412.6 mm^2

c)

530.7 m^2

d)

132 m^2

11.

Find the radius if the diameter is 32 mm.

a)
24 mm
b)

8 ft

c)
16 mm
d)

40 in

12.

If the diameter of a circle is 12 mm. What is the radius?

a)
6 mm
b)

10 cm

c)

8 m

d)

4 ft

13.

The diameter of a circle is 26 meters. What is the circumference?

Use 3.14 and round to the nearest tenth.

a)

81.4 in

b)

82.0 ft

c)

80.8 cm

d)

81.6 mm

14.

What is the diameter if the radius is 18 ft?

a)
20 ft
b)
30 ft
c)
40 ft
d)
36 ft
15.

What is half of the diameter called?

a)

area

b)

pie

c)
radius
d)
circumference
16.

What is the area if the diameter is 15 ft

a)

144 cm^2

b)

707 ft^2

c)

76 ft^2

d)

706.5 ft^2

17.

What is the radius if the diameter is 42 cm?

a)
14 cm
b)
35 cm
c)
28 cm
d)
21 cm
18.

What is the radius if the diameter is 39 cm

a)

19.5 cm

b)
30 cm
c)
21 cm
d)
25 cm
19.

What is the area if the diameter is 28 mm?

Use 3.14 and round to the nearest tenths.

a)

2461.8 mm^2

b)

528.6 cm^2

c)

5443.2 mm^2

d)

443 ft^2

20.

What is the diameter if the radius is 16 mm?

a)
40 mm
b)
8 mm
c)
24 mm
d)
32 mm