Free Printable Area of all kinds of circles

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Worksheets

Area of all kinds of circles

Total questions: 52

Worksheet time: 4hrs 24mins

Name

Class

Date

1.

What is the area of this semi circle?

a)

100.55 square cm

b)

25.12 square cm

c)

15.3 square cm

d)

12.6 square cm

2.

what is the area of this semicircle ?

d = 8 cm

Remember what you need for your formula, diameter isn't it.

a)

10.48 cm²

b)

18 cm²

c)

20.96 cm²

d)

25.12 cm²

3.

Find the area of the quarter circle.

a)

58.88 cm²

b)

78.5 cm²

c)

84.6 cm²

d)

157 cm²

4.

Fins the area of this quarter circle with a radius of 6 cm.

a)

56.52 cm²

b)

113.04 cm²

c)

28.26 cm²

d)

37.68 cm²

5.

a)

39.25 ft²

b)

78.5 ft²

c)

44.2 ft²

d)

25.12 ft²

6.

What is the formula for finding the area of a semi-circle?

a)

A = π r²

b)

C = π r²

c)

$A=\frac{\pi\times r\times r}{2}$

d)

A = 2 π r

7.

Find the area of the semi-circle. Use 3.14 for pi.

a)

28.26 square yards

b)

18.84 square yards

c)

14.13 square yards

8.

Find the area of the semi-circle. Use 3.14 for pi.

d = 8 cm

a)

100.48 cm²

b)

80 cm²

c)

200.96 cm²

d)

25.12 cm²

9.

Find the area of the semi-circle. Use 3.14 for pi. The diameter is 2 mm.

a)

6.28 square millimeters

b)

1.57 square millimeters

c)

3.14 square millimeters

10.

Find the area of the semi-circle. Use 3.14 for pi. The diameter is 4 miles.

a)

6.28 square miles

b)

25.12 square miles

c)

12.56 square miles

11.

Jesse used rope to stake a circular region in which to plant a garden. The radius of the region is 10 inches. What is the approximate area of half of the garden?

a)

31.4 in²

b)

314 in²

c)

157 in²

d)

628 in²

12.

Find the area of this Semicircle with a diameter of 18 cm

a)

254.34 cm

b)

127.17 cm

c)

56.52 cm

d)

28.26 cm

13.

Find the area of this semicircle with a diameter of 34 km.

a)

453.73 km

b)

226.87 km

c)

106.76 km

d)

907.46 km

14.

what is the area of this semicircle ?
d = 8 cm

a)

100.48 cm²

b)

80 cm²

c)

200.96 cm²

d)

25.12 cm²

15.

Fins the area of this quarter circle with a radius of 6 cm.

a)

56.52 cm

b)

113.04 cm

c)

28.26 cm

d)

37.68 cm

16.

Find the area of this quarter circle with a radius of 18 cm.

a)

1017.36 cm

b)

254.34 cm

c)

26.52 cm

d)

123.65 cm

17.

Fins the area of this quarter circle with a radius of 6 cm.

a)

56.52 cm

b)

113.04 cm

c)

28.26 cm

d)

37.68 cm

18.

find area

(round tot nearest hundredth)

(a)

19.

find area

(round to nearest hundredth)

(a)

20.

find area

(round to nearest hundredth)

(a)

21.

find area

(round to nearest hundredth)

(a)

22.

find area

(round to nearest hundredth)

(a)

23.

find area

(round to nearest hundredth)

(a)

24.

find area

(round to nearest hundredth)

(a)

25.

find area

(round to nearest hundredth)

(a)

26.

find area

(round to nearest hundredth)

(a)

27.

find area

(round to nearest hundredth)

(a)

28.

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Leave in terms of π.

a)

A = 2π

b)

A = 8π

c)

A = 10π

d)

A = 4π

29.

Find the area of the circle

a)

56.52

b)

254.34

c)

1017.36

d)

113.04

30.

What is the area of a circle with the diameter of 10cm ?

a)

66cm

b)

78.5cm

c)

66.5cm

d)

10m

31.

Find the area of the circle below.

a)

100 cm

b)

225 cm

c)

9 cm

d)

28.26 cm

32.

What is the area of this circle?

a)

163.2

b)

15.3

c)

124.2

d)

113.04

33.

What is the area of this circle?

a)

201.06

b)

50.24

c)

123.12

d)

94.43

34.

What is the area of this circle?

a)

82.13

b)

78.5

c)

314.16

d)

170.12

35.

What is the diameter of this circle?

a)

3.5

b)

3

c)

5

d)

7

36.

What is the radius of this circle?

a)

12cm

b)

6cm

c)

24cm

d)

3cm

37.

what is the area of this semicircle ?
d = 8 cm

a)

100.48 cm²

b)

80 cm²

c)

200.96 cm²

d)

25.12 cm²

38.

What is/are the formula(s) to find the area of a circle?

a)

πr²

b)

2πr

c)

√π

39.

What does area mean?

a)

the distance around a shape

b)

half the distance around a shape

c)

the amount of space outside a shape

d)

the amount of space inside a shape

40.

The definition of diameter is

a)

distance from the center of any point on the circle

b)

distance across the circle through the center

c)

distance from one point to another

d)

distance around the circle

41.

The definition of radius is

a)

distance from one point to another point

b)

distance around the circle

c)

distance from the center to any point on the circle

d)

distance across the circle through the center

42.

what is the formula for finding diameter

a)

r = 2 d

b)

d = 2 r

c)

a = m c²

d)

c = π 2 r

43.

what is the formula for finding radius

a)

c = π d

b)

c = 2 π r

c)

d = r/2

d)

r = d/2

44.

what is the formula for finding area of a circle

a)

C = π r²

b)

A = π r²

c)

A = π r²/ 2

d)

C = 2 π r

45.

what is the formula for finding the area of a semi-circle

a)

A = π r²

b)

C = π r²

c)

A = π r²/ 2

d)

A = 2 π r

46.

Find the area of the circle

a)

43.96

b)

153.86

c)

87.82

d)

307.72

47.

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the
bowl?

a)

28 cm

b)

43.98 cm

c)

87.96 cm

d)

7 cm

48.

Find the area of the quarter circle. Round you answer to the nearest hundredth.

a)

58.88

b)

78.50

c)

7.85

d)

157.00

49.

If the the diameter of the large circle is 36 cm, what is the radius of each of the small circles?

a)

12 cm

b)

18 cm

c)

24 cm

d)

6 cm

50.

What is the area of this circle?

a)

201.06

b)

50.24

c)

123.12

d)

94.43

51.

What is the area of this circle?

a)

163.2

b)

15.3

c)

124.2

d)

113.04

52.

What is the area of a circle with the diameter of 10cm ?

a)

66cm

b)

78.5cm

c)

66.5cm

d)

10m

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