If Earth's radius was larger by 1 meter, how much longer would its equator be?

by approx 6 meters
by approx 6 kilometers
by approx 60 kilometers
by approx 6000 kilometers
For each circle, the length of the cir­cum­fer­ence is c=2πr. Hence, if a radius grows by 1 meter, the cir­cum­fer­ence grows by 2 π meters - no matter what the initial value of radius was.

Answers distribution

by approx 6 meters
by approx 6 kilometers
by approx 60 kilometers
by approx 6000 kilometers
answers
flagFinland
97%
1%
1%
0%
67
flagthe United Arab Emirates
81%
2%
10%
2%
38
flagItaly
67%
11%
14%
7%
71
flagthe Netherlands
57%
13%
13%
16%
75
flagSweden
57%
17%
10%
14%
28
flagBelgium
57%
11%
23%
3%
26
flagSpain
54%
11%
22%
11%
35
flagGreece
53%
21%
17%
7%
28
flagGermany
51%
17%
14%
14%
268
flagNorway
50%
16%
19%
14%
42
flagthe United States
48%
12%
18%
18%
444
flagIndia
48%
8%
19%
20%
68
flagthe United Kingdom
47%
11%
17%
20%
590
flagPoland
45%
17%
20%
15%
17929
flagCanada
43%
12%
16%
25%
48
flagRepublic of Ireland
33%
11%
22%
28%
59
flagFrance
33%
17%
40%
6%
45
flagUnknown
29%
23%
30%
16%
590
flagAustralia
21%
17%
26%
34%
23
flagDenmark
20%
25%
37%
12%
24

Gender

men48%
women44%
by approx 6 meters
48%
44%
by approx 6 kilometers
16%
17%
by approx 60 kilometers
20%
21%
by approx 6000 kilometers
15%
15%

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If Earth's radius was larger by 1 meter, how much longer would its equator be?
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Author: SpikeMe
Illustration: Edward Webb
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