Free Printable Circles - Area and Circumference

1.

The distance halfway across the circle is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

2.

The distance from the center of the circle to any point on the circle is called the...

a)

radius

b)

diameter

c)

area

d)

circumference

3.

If the radius of a circle is 8 cm, the diameter is 16 cm.

a)

TRUE

b)

FALSE

4.

If the diameter of a circle is 10 cm, the radius is 5 cm.

a)

TRUE

b)

FALSE

5.

If my radius is 10ft, what is my diameter?

a)

20ft

b)

5ft

c)

31.4ft

d)

62.8ft

6.

A circle has a diameter of 36 ft. What is the radius?

a)

18

b)

72

c)

14

7.

What is the diameter of a circle if the radius is 8 cm?

a)

8 cm

b)

16 cm

c)

4 cm

8.

Find the radius of a circle who's diameter is 40 ft.

a)

40ft

b)

80ft

c)

20ft

d)

45ft

9.

Find the area of the circle

a)

43.96

b)

153.86

c)

87.82

d)

307.72

10.

find the area of the circle below.

a)

100 cm

b)

225 cm

c)

9 cm

d)

28.26 cm

11.

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

a)

63.585 ft²

b)

68.345 ft²

c)

64.585 ft²

d)

61.345 ft²

12.

What is the area of this circle?

a)

163.2

b)

15.3

c)

124.2

d)

113.1

13.

The largest cookie ever baked measured a radius of 51 feet. Which of these is the closest to the area of the cookie?

a)

2601 ft²

b)

8167 ft²

c)

2042 ft²

d)

162 ft²

14.

What is the area of this circle?

a)

15393.8

b)

1248.12

c)

5930.12

d)

3848.45

15.

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?

a)

31.25 m²

b)

29.55 m²

c)

30.36 m²

d)

50.27 m²

16.

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

a)

49.2 cm²

b)

45.6 cm²

c)

50.24 cm²

d)

55.9 cm²

17.

Find the area of a circle with a diameter of 6 inches.

a)

$18.84in^2$

b)

$18.48in^2$

c)

$28.62in^2$

d)

$28.26in^2$

18.

$\ Find\ the\ area\ of\ the\ pizza\ with\ a\ diameter\ of\ 8in.\ A\ of\ a\ circle=\pi r^2$

a)

$45.54in^2$

b)

$35.24in^2$

c)

$50.24in^2$

d)

$55.85in^2$

19.

What is the formula for circumference of a circle given the diameter?

a)

C = π r

b)

C = 2 π r

c)

C = π d

d)

C = 2 π d

20.

If you are given the diameter, how can you calculate the radius?

a)

Multiply the diameter by 2

b)

Divide the diameter by 2

c)

Add 2 to the diameter

d)

Subtract 2 from the diameter

21.

Match the following

a)

The distance from the middle the edge of a circle.

1.

Radius

b)

The distance from one side of the circle to the other.

2.

Diameter

c)

$2\pi r$

3.

Circumference

(radius)

d)

$\pi d$

4.

Circumference

(diameter)

e)

$\pi r^2$

5.

Area

22.

When finding area of a circle, we have to use formula $\pi r^2$ , the value of $\pi$ is

a)

3.11

b)

3.12

c)

3.14

d)

3.15

23.

Let's try one! Find the area of this circle:

a)

25

b)

78.5

c)

31.4

24.

What is the area of the circle?

a)

1017.36 in²

b)

113.04 in²

c)

56.52 in²

d)

254.34 in²

25.

Find the area of the circle.

a)

43.96

b)

153.86

c)

87.82

d)

302.72

26.

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

a)

314 cm²

b)

31.4 cm²

c)

78.5 cm²

d)

10 cm²

27.

Find the area of the circle below.

a)

100 cm²

b)

225 cm²

c)

9 cm²

d)

28.26 cm²

28.

What is the diameter?

a)

2.75 cm

b)

5.5 cm

c)

17.27 cm

d)

94.99 cm²

29.

Find the Circumference (round to nearest tenth):
diameter = 12 in.

a)

37.7 in.

b)

37 in.

c)

38 in.

d)

75.4 in.

30.

Find the Circumference (round to nearest tenth):
diameter = 10 mi

a)

31 mi

b)

31.4 mi
31.4 mi

c)

31.5 mi
31.5 mi

d)

62.8 mi

31.

Find the Circumference (round to nearest tenth):
diameter = 5 km

a)

15.6 km

b)

15 km

c)

15.7 km

d)

31.4 km

32.

Find the Circumference (round to nearest tenth):
radius = 8 m

a)

50.5 m

b)

50 m

c)

25.1 m

d)

50.2 m

33.

Find the Circumference (round to nearest tenth):
radius = 6 cm

a)

37.7 cm

b)

37.8 cm

c)

37 cm

d)

18.8 cm

34.

Find the Circumference (round to nearest tenth):
radius = 13 ft

a)

81.8 ft

b)

81.6 ft

c)

81 ft

d)

40.8 ft

35.

Find the Circumference (round to nearest tenth):
diameter = 4.5 cm

a)

14.3 cm

b)

14 cm

c)

14.1 cm

d)

28.3 cm

36.

Find the Circumference (round to nearest tenth):
radius = 15 yd

a)

94.5 yd

b)

94 yd

c)

47.1 yd

d)

94.2 yd

37.

Find the Circumference (round to nearest tenth):
diameter = 9 ft

a)

28.3 ft

b)

28.4 ft

c)

28 ft

d)

56.5 ft.

38.

Find the Circumference (round to nearest tenth):
radius = 12 in

a)

75 in

b)

75.4 in

c)

75.2 in

d)

37.7 in

39.

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

a)

11.32 ft

b)

12.25 ft

c)

10.99 ft

d)

8.75 ft

40.

What is the circumference?

a)

50.24

b)

96

c)

24

d)

18

41.

What is the circumference?

a)

36

b)

12.56

c)

56.52

d)

113.04

42.

Find the circumference (to the nearest whole number)

a)

88 in

b)

44 in

c)

116 square in

d)

None of the above

43.

what is the circumference of this circle ?

a)

3.14 cm

b)

37.68 cm

c)

24 cm

d)

68.4 cm

44.

What is the distance around a circle?

a)

Circumference

b)

Area

c)

Diameter

d)

Radius

45.

The diameter of a circle is 3 centimeters. What is the circumference?

a)

11.5cm2

b)

9.42 cm2

c)

unicorns are awsome

d)

45.3 cm2

46.

Determine the radius of the penny

a)

59.66 mm

b)

9.5 mm

c)

38 mm

d)

119.32 mm

47.

Find the circumference, rounding your answer to 1d.p.

a)

18.8m

b)

37.7m

c)

9.4m

d)

18.8cm

48.

Find the circumference, rounding your answer to 1d.p.

a)

78.5cm

b)

39.2cm

c)

39.3cm

d)

490.9cm

Circles - Area and Circumference

Total questions: 48

Worksheet time: 3hrs 1mins

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