edHelper subscribers - Create a new printable

Geometry
Math

 Name _____________________________ Date ___________________
Area and Circumference of a Circle
To the nearest tenth, find the circumference. Use 3.14 for .
1.
 ZJ
=  37 ft
2.
 CH
=  10 cm
3.
 TL
=  88 in
4.
 BZ
=  61 mm

Find the circumference. Use
 227
for .

5.
 BH
=
11
 14
ft
6.
 HY
=
9
 15
cm
7.
 LX
=
24
 12
mm
8.
 UF
=
6
 23
in

Find the circumference. Use
 227
for .

9.
13
 23
cm

10.
diameter  =
20
 15
ft

11.
diameter  =
3
 14
mm

12.
26
 12
in

 Key #2
Write each perfect square as a square root.
 13 49
 14 121
 15 16
 16 529
 17 256
 18 9
 19 64
 20 169
 21 441
 22 625
 23 289
 24 81

Find the value of n.
25.

 121
=  n

 26 152  =  n
27.

 n
=  5

 28 n2  =  256
29.

 289
=  n

 30 n2  =  400
 31 132  =  n
32.

 n
=  18

33.

 n
=  4

 34 142  =  n
35.

 81
=  n

 36 n2  =  576

Circle the number that is the best estimate of the square root.
37.
129

 12.2 10.8 11.4 12.3
38.
102

 9.4 10.3 10.1 10.5
39.
30

 6.1 5.5 4.7 5.3
40.
15

 4.6 3.9 4.9 3.6

To the nearest tenth, find the area of each circle. Use 3.14 for .
41.
 TE
=  22 in
42.
 DR
=  3 mm
43.
 RP
=  40 ft
44.
 HY
=  19 cm

 Key #2
To the nearest tenth, find the area of each circle. Use 3.14 for .
45.
 KD
=  38.8 mm
46.
 VR
=  22.98 cm
47.
 UV
=  26.925 ft
48.
 XN
=  29.242 in

Find the area of each circle. Use
 227
for .

49.
 DK
=
7
 13
cm
50.
 DX
=
2
 23
ft
51.
 WH
=
3
 12
ft
52.
 HF
=
9
 12
cm

To the nearest tenth, find the area of each circle. Use 3.14 for .
53.
 diameter  = 22 mm

54.

55.
 diameter  = 25 ft

56.

To the nearest tenth, find the area of each circle. Use 3.14 for .
57.

58.
 diameter  = 44.4 cm

59.
 diameter  = 25.43 in

60.

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

61.
2
 12
ft

62.
diameter  =
8
 12
cm

63.
6
 34
mm

64.
diameter  =
5
 12
mm

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

65.
Find the area of
 67
of the circle
66.
 diameter  = 14 ft
Find the area of
 16
of the circle
67.
 diameter  = 16 cm
Find the area of
 23
of the circle
68.
Find the area of
 13
of the circle

Find the area of each circle. Use
 227
for .

69.
2
 23
cm

70.
diameter  =
9
 12
in

71.
8
 12
mm

72.
8
 12
cm

Sample
This is only a sample worksheet.

edHelper subscribers - Create a new printable