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 Name _____________________________ Date ___________________
Area and Circumference of a Circle
To the nearest tenth, find the circumference. Use 3.14 for .
 1 * This is a pre-made sheet.Use the link at the top of the page for a printable page.
2.
 HY
=  82 in
3.
 MW
=  79 ft
4.
 RV
=  25 mm

Find the circumference. Use
 227
for .

5.
 RN
=
22
 23
cm
6.
 GZ
=
25
 12
ft
7.
 VY
=
3
 15
mm
8.
 PD
=
14
 14
in

Find the circumference. Use
 227
for .

9.
radius  =
8
 25
ft

10.
diameter  =
20
 12
mm

11.
radius  =
4
 13
cm

12.
diameter  =
29
 12
in

 Key #2
 aKey #2
Find the square root.
13.

 81

14.

 196

15.

 400

16.

 16

17.

 529

18.

 625

19.

 9

20.

 100

21.

 49

22.

 576

23.

 25

24.

 64

Find the value of n.
 25 242  =  n
 26 n2  =  324
27.

 361
=  n

28.

 n
=  21

29.

 n
=  2

 30 172  =  n
31.

 144
=  n

 32 n2  =  9
33.

 n
=  16

 34 n2  =  100
35.

 225
=  n

 36 112  =  n

Circle the number that is the best estimate of the square root.
37.
72

 8.8 7.8 8.5 7.6
38.
44

 6.4 6.8 7.2 6.6
39.
6

 2.9 2.5 2.4 2.8
40.
151

 12.3 11.8 11.3 12

To the nearest tenth, find the area of each circle. Use 3.14 for .
41.
 YX
=  32 cm
42.
 SF
=  12 mm
43.
 ZG
=  15 ft
44.
 EH
=  31 in

 Key #2
 aKey #2
To the nearest tenth, find the area of each circle. Use 3.14 for .
45.
 GE
=  16.2 in
46.
 VU
=  3.846 mm
47.
 PZ
=  2.65 ft
48.
 UH
=  45.843 cm

Find the area of each circle. Use
 227
for .

49.
 GJ
=
2
 13
ft
50.
 UV
=
3
 12
mm
51.
 RU
=
8
 23
ft
52.
 XD
=
9
 12
cm

To the nearest tenth, find the area of each circle. Use 3.14 for .
53.
 diameter  = 25 mm

54.
 radius  = 31 in

55.
 diameter  = 17 ft

56.
 radius  = 4 cm

To the nearest tenth, find the area of each circle. Use 3.14 for .
57.
 radius  = 6.3 ft

58.
 radius  = 45.24 mm

59.
 diameter  = 33.904 in

60.
 diameter  = 35.447 cm

 Key #2
 aKey #2
Find the area of each circle. Use
 227
for .

61.
diameter  =
8
 23
in

62.
radius  =
4
 12
cm

63.
radius  =
2
 14
ft

64.
diameter  =
3
 12
mm

Find the area of the partial circle. Use
 227
for .

65.
 diameter  = 24 mm
Find the area of
 34
of the circle
66.
 diameter  = 32 in
Find the area of
 47
of the circle
67.
 radius  = 27 cm
Find the area of
 45
of the circle
68.
 radius  = 35 ft
Find the area of
 49
of the circle

Find the value of n.
 69 82  =  n
70.

 4
=  n

 71 n2  =  25
72.

 n
=  9

 73 142  =  n
 74 n2  =  36
75.

 n
=  24

76.

 324
=  n

77.

 n
=  21

78.

 1
=  n

 79 n2  =  625
 80 232  =  n

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Geometry
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