AnswersFL-1205040-MJ Grade 7 Mathematics B -GFCircumference

Circumference Answers

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1
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What is the circumference of the circle? Use 3.14 for .

Question illustration
A
51.81 cm
B
102.3 cm
C
103.62 cm
D
207.24 cm
2
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The circumference of a circle is inches. What is the length of the radius of this circle?

Question illustration
A
14 in.
B
21 in.
C
28 in.
D
56 in.
3

What is the diameter of this circle if the circumference is inches? in.

Question illustration
A
15 in.
B
30 in.
C
45 in.
D
60 in.
4

Which statement is true about the circumference of a circle?

A
The circumference is equal to the radius of the circle.
B
The circumference is equal to the diameter of the circle.
C
The circumference is found by multiplying by the radius.
Option C
D
The circumference is found by multiplying by the diameter.
Option D
5

Which statements are true about the circle shown below? Select two options.

Question illustration
A
The diameter is 31.4 centimeters.
B
The diameter is half the radius.
C
The circumference can be found by multiplying .
Option C
D
The circumference in terms of is .
Option D
E
The distance around the circle is approximately 98 centimeters.
6

A circular swimming pool has a radius of 28 ft. There is a path all the way around the pool that is 4 ft wide. A fence is going to be built around the outside edge of the pool path. About how many feet of fencing are needed to go around the pool path? Use 3.14 for .

Question illustration
A
88 ft
B
100 ft
C
176 ft
D
201 ft
7

Which statement is true about the circumference of a circle?

A
The circumference is equal to the radius of the circle.
B
The circumference is equal to the diameter of the circle.
C
The circumference is found by multiplying by the radius.
Option C
D
The circumference is found by multiplying by the diameter.
Option D
8

What is the circumference of this circle, in centimeters? Use for .

Question illustration
A
33
B
66
C
207.4
D
346.5
9

Which formula should be used to find the circumference of a circle?

A
C = pi d
Option A
B
C = 2 pi d
Option B
C
C = pi r
Option C
D
C = StartFraction pi over d EndFraction
Option D
10

John is putting a fence around his garden that is shaped like a half circle and a rectangle. How much fencing will John need? Use for .

Question illustration
A
32 ft
B
39 ft
C
46 ft
D
57 ft
11

A circular swimming pool has a radius of 15 ft. There is a path all the way around that pool that is three feet wide. What is the circumference of the outer edge of the path around the pool? Use 3.14 for .

Question illustration
A
56.52 ft
B
94.20 ft
C
113.04 ft
D
114.04 ft
12

What is the circumference of the circle? Use 3.14 for .

Question illustration
A
51.81 cm
B
102.3 cm
C
103.62 cm
D
207.24 cm
13

What is the circumference of the circle? Use 3.14 for .

Question illustration
A
20.096 cm
B
40.192 cm
C
200.96 cm
D
401.92 cm
14

Which formula should be used to find the circumference of a circle?

A
C = pi d
Option A
B
C = 2 pi d
Option B
C
C = pi r
Option C
D
C = StartFraction pi over d EndFraction
Option D
15

John is putting a fence around his garden that is shaped like a half circle and a rectangle. How much fencing will John need? Use for .

Question illustration
A
32 ft
B
39 ft
C
46 ft
D
57 ft
16

What is the circumference of this circle, in centimeters? Use for .

Question illustration
A
33
B
66
C
207.4
D
346.5
17

The circumference of a circle is inches. What is the length of the radius of this circle?

Question illustration
A
14 in.
B
21 in.
C
28 in.
D
56 in.
18

Which statements are true about the circle shown below? Select two options.

Question illustration
A
The diameter is 31.4 centimeters.
B
The diameter is half the radius.
C
The circumference can be found by multiplying .
Option C
D
The circumference in terms of is .
Option D
E
The distance around the circle is approximately 98 centimeters.
19

A high school track is shaped as a rectangle with a half circle on either side. Jasmine plans on running three laps. How many yards will Jasmine run? Use 3.14 for .

Question illustration
A
248.5 yd
B
490.5 yd
C
725.5 yd
D
745.5 yd

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