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
95%
2%
2%
0%
48
flagItaly
68%
10%
14%
8%
50
flagthe United Arab Emirates
64%
0%
21%
7%
14
flagBelgium
60%
13%
17%
4%
23
flagIndia
54%
10%
16%
16%
50
flagNorway
52%
13%
18%
15%
38
flagSpain
51%
13%
20%
13%
29
flagGermany
50%
17%
15%
13%
204
flagCanada
45%
12%
20%
22%
40
flagthe United States
43%
13%
20%
20%
329
flagPoland
42%
17%
21%
16%
12512
flagthe Netherlands
41%
17%
19%
21%
41
flagthe United Kingdom
37%
15%
20%
23%
359
flagFrance
37%
21%
35%
2%
37
flagAustria
35%
21%
28%
7%
14
flagthe Philippines
35%
14%
35%
14%
14
flagUU
33%
22%
22%
17%
45
flagRepublic of Ireland
25%
15%
27%
27%
40
flagAustralia
21%
17%
26%
34%
23
flagDenmark
10%
31%
42%
10%
19

Gender

men51%
women43%
by approx 6 meters
51%
43%
by approx 6 kilometers
14%
17%
by approx 60 kilometers
19%
21%
by approx 6000 kilometers
15%
17%

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If Earth's radius was larger by 1 meter, how much longer would its equator be?
521
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Author: SpikeMe
Illustration: Edward Webb
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