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Circumference of a Circle 7GSR5.4

Total questions: 180

Worksheet time: 10hrs 30mins

Name
Class
Date
1.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
2.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

3.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

4.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
5.

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

a)

40ft

b)

80ft

c)

20ft

d)

45ft

6.

What is the diameter of a circle with radius 1 ft?

a)

1ft

b)

2ft

c)

3ft

7.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
8.

A circle has a diameter of 17 inches. What is the circumference?

a)

106.76 inches

b)

53.38 inches

c)

907.46 inches

d)

34 inches

9.
What is the circumference?
a)
50.24
b)
96
c)
24
d)
18
10.

Daniel wants to buy cookies for his friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?

a)

10 in

b)

2.5 in

c)

15.7 in

d)

31.4 in

11.
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
12.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
13.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
14.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
15.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
16.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
17.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
18.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
19.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
20.

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

a)

11.5cm

b)

9.42 cm

c)

unicorns are narwahls

d)

45.3 cm

21.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
22.
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
23.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
24.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
25.
The radius of a circle is
a)
The measurement from the center of a circle to an edge of the circle.
b)
The measurement around the circle
c)
The measurement from and edge of the circle to another edge through the center
d)
A line perpendicular to the diameter of the circle
26.
What is the circumference of a circle with a radius of 5 in terms of π ?
a)
5 π square units
b)
10 π square units
c)
25 π square units
d)
50 π square units
27.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
28.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
a)
c = 15π
b)
C = 2π15
c)
c = 15/π
d)
c = 15/2π
29.
What is the circumference?
a)
48
b)
96
c)
24
d)
18
30.
What is the radius?
a)
18
b)
72
c)
38
d)
14
31.
What is the circumference?
a)
36
b)
18π
c)
108π
d)
36π
32.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
33.
A bicycle tire has a diameter of 27 inches. What is the radius?
a)
27π
b)
13.5
c)
81
d)
25π
34.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
35.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
36.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
37.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
38.
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
39.

A circle has a diameter of 17 inches. What is the circumference?

a)

106.76 inches

b)

53.38 inches

c)

907.46 inches

d)

34 inches

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.
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
44.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
45.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
46.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
47.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
48.
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
49.

A circle has a diameter of 17 inches. What is the circumference?

a)

106.76 inches

b)

53.38 inches

c)

907.46 inches

d)

34 inches

50.
What is the circumference?
a)
50.24
b)
96
c)
24
d)
18
51.
What is the circumference?
a)
36
b)
12.56
c)
56.52
d)
113.04
52.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
53.
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
54.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
55.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
56.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
57.
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
58.
A circle has only one radius.
a)
True
b)
False
59.
What is the formula for finding the circumstance of a circle with just the diameter?
a)
 π*d
b)
b*h
c)
l*w*h
d)
I do not know
60.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
61.

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

a)

18.8m

b)

37.7m

c)

9.4m

d)

18.8cm

62.

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

a)

78.5cm

b)

39.2cm

c)

39.3cm

d)

490.9cm

63.
Diameter 32 inches
What is the radius?
a)
16 inches
b)
64 inches
c)
96 inches
96 inches
d)
16 ft 
64.

What is the formula for a circumference?

a)

D⋅πD\cdot\pi  

b)

2⋅R⋅22\cdot R\cdot2  

c)

R⋅πR\cdot\pi  

d)

R⋅DR\cdot D  

65.

What is the circumference of a circle with a radius of 10 cm.

a)

88.2

b)

62.8

c)

31.4

d)

11.99

66.

There is a circle with a radius of 5. What is the circumference of the circle?

a)

3.14

b)

66.9

c)

31.4

d)

2.12

67.

 You can also get the formula of the circumference by using π⋅2\pi\cdot2

a)

True

b)

False

68.

What is the circumference of a circle with a diameter of 20 yd

a)

60.24

b)

62.8

c)

60

d)

125.6

69.

What is circumference of a circle with a radius of 25

a)

157

b)

78.5

c)

158

d)

299

70.

What is a circumference?

a)

Distance around a book.

b)

Distance around a rectangle.

c)

Distance around a pencil case.

d)

Distance around a circle.

71.

A circle as a diameter of 37. What is the circumference?

a)

232.36

b)

3.14

c)

116.18

d)

119.69

72.

A circle has a radius of 96. What is the circumference?

a)

602.8

b)

602.88

c)

301.44

d)

699

73.

A plate has diameter 999. Which expression shows the formula?

a)

999×3.14999\times3.14  

b)

999×2×3.14999\times2\times3.14  

c)

3136.84

d)

  999+3.14÷2999+3.14\div2  

74.

What is the area of this circle?

a)

201.06 square meters

b)

50.24 square meters

c)

123.12 square meters

d)

25.12 square meters

75.

What is the area of this circle?

a)

62.59 cm2

b)

113.1 cm2

c)

18.84 cm2

d)

28.26 cm2

76.

A circle has a diameter of 17 inches. What is the area?

a)

26.69 in2

b)

226.87 in2

c)

72.25 in2

d)

53.38 in2

77.

The radius of a circle is ​ (a)   the diameter.

Choose from the below words
half
twice
triple
78.
What is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
79.

Find the area.

a)

472.64in2472.64in^2  

b)

144in2144in^2  

c)

452.16in2452.16in^2  

d)

167in2167in^2  

80.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
81.
If my diameter is 19 inches, what is my radius?
a)
38 inches
b)
9.5 inches
c)
59.66 inches
d)
119.32 inches
82.
What is the area of this circle?
a)

1384.74 ft2ft^2

b)

2142.12 ft2ft^2

c)

5541.77

d)

1289.12 ft2ft^2

83.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.26 m2
84.

A circular swimming pool is 21 feet in diameter.

How many square feet is the area of the pool?

a)

693 ft2

b)

346.5 ft

c)

65.94 ft2

d)

346.2 ft2

85.
What is the distance around a circle?
a)

Circumference

b)

Area

c)

Diameter

d)

Radius

86.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
87.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
88.
What is the circumference of a circle with a diameter of 56 m?
a)
175.8 m
b)
176.8 m
c)
165.8 m
d)
186.8 m
89.

What is the formula for finding the circumference of a circle?

a)

C = r2

b)

C = rd

c)

A = π·r2

d)

C = π·d

90.

What number represents π?

a)

31.4

b)

4.13

c)

3.14

d)

34.1

91.
If the radius of a circle is 12.5 meters, the diameter is ____
a)
6.25 meters
b)
125 meters
c)
25 meters
d)
50 meters
92.
If the diameter of a circle is 50 yards, the radius is _____
a)
100 yards
b)
25 yards
c)
150 yards
d)
15 yards
93.

What is the area of this circle?

a)

1256.64 in2

b)

31.41 in2

c)

314 in2

d)

62.8 in2

94.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
95.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
96.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
97.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
98.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
99.

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

a)

11.5cm

b)

9.42 cm

c)

unicorns are narwahls

d)

45.3 cm

100.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
101.
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
102.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
103.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
104.
The radius of a circle is
a)
The measurement from the center of a circle to an edge of the circle.
b)
The measurement around the circle
c)
The measurement from and edge of the circle to another edge through the center
d)
A line perpendicular to the diameter of the circle
105.
What is the circumference of a circle with a radius of 5 in terms of π ?
a)
5 π square units
b)
10 π square units
c)
25 π square units
d)
50 π square units
106.

What is the diameter?

a)

5 in

b)

10 in

c)

3.14 in

d)

15.84 in

107.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
108.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
109.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
a)
c = 15π
b)
C = 2π15
c)
c = 15/π
d)
c = 15/2π
110.
What is the circumference?
a)
48
b)
96
c)
24
d)
18
111.
What is the radius?
a)
18
b)
72
c)
38
d)
14
112.
What is the circumference?
a)
36
b)
18π
c)
108π
d)
36π
113.
A bicycle tire has a diameter of 27 inches. What is the radius?
a)
27π
b)
13.5
c)
81
d)
25π
114.

Find the circumference of the circle.

a)

28.26 m

b)

56.52 m

c)

113.04 m

d)

14.13 m

115.

Find the circumference of the circle.

a)

78.5

b)

15.7 ft

c)

62.8 ft

d)

31.4 ft

116.

Find the circumference of the circle.

a)

125.6 km

b)

31.4 km

c)

62.8 km

d)

15.7 km

117.

Find the circumference of the circle.

a)

75.36 yd

b)

37.68 yd

c)

18.84 yd

d)

150.72 yd

118.

Find the circumference of the circle.

a)

15.54 cm

b)

31.09 cm

c)

62.17 cm

d)

124.34 cm

119.

Find the circumference of the circle.

a)

18.84 cm

b)

9.42 cm

c)

37.68 cm

d)

4.71 cm

120.

What is labeled on the circle?

a)

Diameter

b)

Radius

121.

What is labeled on the circle?

a)

Diameter

b)

Radius

122.

How can you find the diameter if you are given the radius?

a)

Multiply by 2.

b)

Divide by 2.

123.

What is labeled on the circle?

a)

Diameter

b)

Radius

124.
Find the Circumference (round to nearest tenth):
diameter = 12 in.
a)
37.7 in.
b)
37 in.
c)
38 in.
d)
75.4 in.
125.
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
126.
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
127.
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
128.
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
129.
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
130.
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
131.
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
132.
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.
133.
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
134.
If my diameter is 19 inches, what is my radius?
a)
38 inches
b)
9.5 inches
c)
59.66 inches
d)
119.32 inches
135.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
136.

what is the circumference of this circle ?

a)

3.14 cm

b)

37.68 cm

c)

24 cm

d)

68.4 cm

137.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
138.
Find the circumference of a circle with a radius of 12.5 mm .
a)
37.68mm
b)
18.84mm
c)
78.5mm
d)
none of the above
139.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
140.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
141.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
142.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
143.
The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?
a)
56.25 ft
b)
246.2 ft
c)
365.56 ft
d)
392.5 ft
144.

The radius of a circle is...

a)

The measurement from an edge of a circle to another edge.

b)

The measurement around the circle

c)

The measurement from an edge of a circle to another edge going through the center

d)

The measurement from the center of the circle to an edge of the circle

145.

The diameter of a circle is...

a)

The measurement from an edge of a circle to another edge.

b)

The measurement around the circle

c)

The measurement from an edge of a circle to another edge going through the center

d)

The measurement from the center of the circle to an edge of the circle

146.

The circumference of a circle is...

a)

The measurement from an edge of a circle to another edge.

b)

The measurement around the circle

c)

The measurement from an edge of a circle to another edge going through the center

d)

The measurement from the center of the circle to an edge of the circle

147.

If you are given the radius of a circle how could you find the diameter of the same circle?

a)

Multiply the radius by 3.14

b)

Multiply the radius by 2

c)

Multiply the radius by 1/2

d)

Divide the radius by 2

148.

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

a)

5 ft

b)

20 ft

c)

31.4 ft

d)

62.8 ft

149.

What is the diameter of the pictured circle?

a)

4 cm

b)

8 cm

c)

12 cm

d)

16 cm

150.

If you are given the diameter of a circle how could you find the radius of the same circle?

a)

Multiply the diameter by 3.14

b)

Multiply the diameter by 2

c)

Multiply the diameter by 1/2

d)

Divide the diameter by 3

151.

If the diameter of a circle is 16.6 in, what is the radius?

a)

8.3 in

b)

16.6 in

c)

33.2 in

d)

52.124 in

152.

What is the radius of the pictured circle?

a)

12.5 cm

b)

25 cm

c)

50 cm

d)

78.5 cm

153.

To calculate the circumference of a circle...

a)

You multiply the diameter by 1/2

b)

You multiply the diameter by 2

c)

You multiply the radius by 3.14

d)

You multiply the diameter by 3.14

154.

Find the circumference (round to the nearest hundredth).

a)

14.13 cm

b)

26.28 cm

c)

28.26 cm

d)

56.52 cm

155.

Find the circumference (round to the nearest hundredth).

a)

2.16 m

b)

2.61 m

c)

4.02 m

d)

4.08 m

156.

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?

a)

11.32 ft

b)

12.25 ft

c)

10.99 ft

d)

8.75 ft

157.

Find the circumference (round to the nearest hundredth).

a)

2.55 cm

b)

8.36 cm

c)

12.56 cm

d)

25.12 cm

158.

Find the circumference (round to the nearest hundredth).

a)

1.62 cm

b)

2.51 cm

c)

5.02 cm

d)

50.24 cm

159.

If the circumference of a circle is 76 inches what is the diameter (rounded to the nearest hundredth)?

a)

12.1 inches

b)

15 inches

c)

24.2 inches

d)

26 inches

160.

What is the circumference of the circle? (Circumference = pi x diamter)

a)

52.56

b)

21.25

c)

18.84

d)

6.28

161.

What is the circumference of this circle?

a)

37.68

b)

6.28

c)

21.25

d)

18.84

162.

What is the circumference of this circle?

a)

18.84

b)

21.12

c)

37.68

d)

47.10

163.

What is the circumference of this circle?

a)

25.12

b)

47.10

c)

40.82

d)

31.40

164.

Mia's bike has wheels with 14 inch diameters. What is the circumference of each wheel?

a)

6.28

b)

34.54

c)

43.96

d)

28.26

165.

A dinner plate has a radius of 6 centimeters. What is the circumference?

a)

6.28

b)

18.84

c)

37.68

d)

43.96

166.

What is the circumference of a pizza with a 10-inch diameter?

a)

31.40

b)

28.26

c)

25.12

d)

18.86

167.

What is this symbol called?

a)

pi

b)

sigma

c)

radius

d)

omega

168.

What is the approximate numerical value of this sign?

a)

3.11

b)

3.14

c)

4.13

d)

6.28

169.

In words, describe this formula

a)

The area of a circle is equal to pi times the radius squared

b)

The circumference of a circle is equal to the pi times the diameter.

c)

The circumference of a circle is equal to pi times the radius squared

d)

The area of a circle is equal to pi times the diameter

170.

Find Circumference.

a)

87.92 cm

b)

43.96 cm

c)

21.98 cm

d)

3.14 cm

171.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
172.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
173.

What is the diameter?

a)

5 in

b)

10 in

c)

3.14 in

d)

15.84 in

174.
A bicycle tire has a diameter of 27 inches. What is the radius?
a)
27π
b)
13.5
c)
81
d)
25π
175.
Find the circumference of a circle with a radius of 12.5 mm .
a)
37.68mm
b)
18.84mm
c)
78.5mm
d)
none of the above
176.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
177.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
178.
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
179.

A circle has a diameter of 17 inches. What is the circumference?

a)

106.76 inches

b)

53.38 inches

c)

907.46 inches

d)

34 inches

180.
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 

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