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Circumferences and areas of circles and squares from 0 to 10
Diameter (Side)
Circumference
Area
Square
0
0.0000
0.0000
0.0000
1/16
0.1963
0.0031
0.0039
1/8
0.3927
0.0123
0.0156
3/16
0.5890
0.0276
0.0352
1/4
0.7854
0.0491
0.0625
5/16
0.9817
0.0767
0.0977
3/8
1.1781
0.1104
0.1406
7/16
1.3744
0.1503
0.1914
1/2
1.5708
0.1963
0.2500
9/16
1.7671
0.2485
0.3164
5/8
1.9635
0.3068
0.3906
11/16
2.1598
0.3712
0.4727
3/4
2.3562
0.4418
0.5625
131/6
2.5525
0.5185
0.6602
7/8
2.7489
0.6013
0.7656
15/16
2.9452
0.6903
0.8789
Diameter (Side)
Circumference
Area
Square
1
3.1416
0.7854
1.0000
1/16
3.3379
0.8866
1.1289
1/8
3.5343
0.9940
1.2656
3/16
3.7306
1.1075
1.4102
1/4
3.9270
1.2272
1.5625
5/16
4.1233
1.3530
1.7227
3/8
4.3197
1.4849
1.8906
7/16
4.5160
1.6230
2.0664
1/2
4.7124
1.7671
2.2500
9/16
4.9087
1.9175
2.4414
5/8
5.1051
2.0739
2.6406
11/16
5.3014
2.2365
2.847 7
3/4
5.4978
2.4053
3.0625
13/16
5.6941
2.5802
3.2852
7/8
5.8905
2.7612
3.5156
15/16
6.0868
2.9483
3.7539
Diameter (Side)
Circumference
Area
Square
2
6.2832
3.1416
4.0000
1/16
6.4795
3.3410
4.2539
1/8
6.6759
3.5466
4.5156
3/16
6.8722
3.7583
4.7852
1/4
7.0686
3.9761
5.0625
5/16
7.2649
4.2000
5.3477
3/8
7.4613
4.4301
5.6406
7/16
7.6576
4.6664
5.9414
1/2
7.8540
4.9087
6.2500
9/16
8.0503
5.1572
6.5664
5/8
8.2467
5.4119
6.8906
11/16
8.4430
5.6727
7.2227
3/4
8.6394
5.9396
7.5625
13/16
8.8357
6.2126
7.9102
7/8
9.0321
6.4918
8.2656
15/16
9.2284
6.7771
8.6289
Diameter (Side)
Circumference
Area
Square
3
9.4248
7.0686
9.0000
1/16
9.6211
7.3662
9.3789
1/8
9.8175
7.6699
9.7656
3/16
10.014
7.9798
10.160
1/4
10.210
8.2958
10.563
5/16
10.407
8.6179
10.973
3/8
10.603
8.9462
11.391
7/16
10.799
9.2806
11.816
1/2
10.996
9.6211
12.250
9/16
11.192
9.9678
12.691
5/8
11.388
10.321
13.141
11/16
11.585
10.680
13.598
3/4
11.781
11.045
14.063
13/16
11.977
11.416
14.535
7/8
12.174
11.793
15.016
15/16
12.370
12.177
15.504
Diameter (Side)
Circumference
Area
Square
4
12.566
12.566
16.000
1/16
12.763
12.962
16.504
1/8
12.959
13.364
17.016
3/16
13.155
13.772
17.535
1/4
13.352
14.186
18.063
5/16
13.548
14.607
18.598
3/8
13.744
15.033
19.141
7/16
13.941
15.466
19.691
1/2
14.137
15.904
20.250
9/16
14.334
16.349
20.816
5/8
14.530
16.800
21.391
11/16
14.726
17.257
21.973
3/4
14.923
17.721
22.563
13/16
15.119
18.190
23.160
7/8
15.315
18.665
23.766
15/16
15.512
19.147
24.379
Diameter (Side)
Circumference
Area
Square
5
15.708
19.635
25.000
1/16
15.904
20.129
25.629
1/8
16.101
20.629
26.266
3/16
16.297
21.135
26.910
1/4
16.493
21.648
27.563
5/16
16.690
22.166
28.223
3/8
16.886
22.691
28.891
7/16
17.082
23.221
29.566
1/2
17.279
23.758
30.250
9/16
17.175
24.301
30.941
5/8
17.671
24.850
31.641
11/16
17.868
25.406
32.348
3/4
18.064
25.967
83.068
13/16
18.261
26.535
88.785
7/8
18.45 7
27.109
34.516
15/16
18.658
27.688
35.254
Diameter (Side)
Circumference
Area
Square
6
18.850
28.274
36.000
1/16
19.046
28.866
36.754
1/8
19.242
29.465
37.516
3/16
19.439
30.069
38.285
1/4
19.635
30.680
39.063
5/16
19.831
31.296
39.848
3/8
20.028
31.919
40.641
7/16
20.224
32.548
41.441
1/2
20.420
33.183
42.250
9/16
20.617
33.824
43.066
5/8
20.813
34.4 72
43.891
11/16
21.009
35.125
44.723
3/4
21.206
35.785
45.563
13/16
21.402
36.450
46.410
7/8
21.598
37.122
47.266
15/16
21.795
37.800
48.129
Diameter (Side)
Circumference
Area
Square
7
21.991
38.485
49.000
1/16
22.187
39.175
49.879
1/8
22.384
39.871
50.766
3/16
22.580
40.574
51.660
1/4
22.777
41.282
52.563
5/16
22.973
41.997
53.4 73
3/8
23.169
42.718
54.391
7/16
28.366
48.445
55.316
1/2
23.562
44.179
56.250
9/16
23.758
44.918
57.191
5/8
23.955
45.664
58.141
11/16
24.151
46.415
59.098
3/4
24.34 7
47.178
60.068
13/16
24.544
47.937
61.085
7/8
24.740
48.7007
62.016
15/16
24.986
49.488
68.004
Diameter (Side)
Circumference
Area
Square
8
25.133
50.265
64.000
1/16
25.329
51.054
65.004
1/8
25.525
51.849
66.016
3/16
25.722
52.649
67.035
1/4
25.918
53.456
68.063
5/16
26.114
54.269
69.098
3/8
26.311
55.088
70.141
7/16
26.507
55.914
71.191
1/2
26.704
56.745
72.250
9/16
26.900
57.583
73.316
5/8
27.096
58.426
74.391
11/16
27.293
59.276
75.473
3/4
27.489
60.132
76.563
13/16
27.685
60.994
77.660
7/8
27.882
61.862
78.766
15/16
28.078
62.737
79.879
Diameter (Side)
Circumference
Area
Square
9
28.274
63.617
81.000
1/16
28.471
64.504
82.129
1/8
28.667
65.397
83.266
3/16
28.863
66.296
84.410
1/4
29.060
67.201
85.563
5/16
29.256
68.112
86.723
3/8
29.452
69.029
87.891
7/16
29.649
69.953
89.066
1/2
29.845
70.882
90.250
9/16
30.041
71.818
91.441
5/8
30.238
72.760
92.641
11/16
30.434
73.708
93.848
3/4
30.631
74.662
95.063
13/16
30.827
75.622
96.285
7/8
31.023
76.589
97.516
15/16
31.220
77.561
98.754
Diameter (Side)
Circumference
Area
Square
10
31.416
78.540
100.00
1/16
31.612
79.525
101.25
1/8
31.809
80.516
102.52
3/16
32.005
81.513
103.79
1
32.201
82.516
105.06
5/16
32.398
83.525
106.35
3/8
32.594
84.541
107.64
7/16
32.790
85.562
108.94
1/2
32.987
86.590
110.25
9/16
33.183
87.624
111.57
5/8
33.379
88.664
112.89
11/16
33.576
89.710
114.22
3/4
33.772
90.763
115.56
13/16
33.968
91.821
116.91
7/8
34.165
92.886
118.27
15/16
34.361
93.956
119.63
