How many edges does a Möbius strip have?

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two
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four
The Möbius strip is a surface with only one side and only one boundary com­po­nent (edge). A line drawn starting from the seam down the middle will meet back at the seam but at the "other side". If con­tin­ued the line will meet the starting point and will be double the length of the original strip.

Answers distribution

one
two
three
four
answers
flagSpain
93%
6%
0%
0%
16
flagAustralia
86%
13%
0%
0%
22
flagCzech Republic
85%
14%
0%
0%
14
flagSwitzerland
80%
5%
5%
10%
20
flagRepublic of Ireland
77%
14%
2%
0%
35
flagDenmark
77%
11%
5%
5%
18
flagCanada
76%
12%
12%
0%
25
flagUkraine
76%
11%
0%
5%
17
flagPoland
72%
18%
4%
3%
14611
flagthe United Kingdom
72%
17%
3%
6%
315
flagFrance
72%
21%
3%
3%
33
flagGermany
71%
20%
1%
5%
197
flagUnknown
69%
22%
5%
3%
658
flagthe United States
69%
16%
6%
5%
295
flagthe Netherlands
68%
14%
11%
5%
35
flagNorway
66%
15%
9%
9%
33
flagItaly
65%
25%
10%
0%
20
flagSweden
60%
21%
14%
3%
28
flagthe Philippines
51%
15%
20%
12%
39
flagIndia
50%
28%
8%
13%
82

Gender

men70%
women70%
one
70%
70%
two
21%
19%
three
4%
5%
four
3%
3%

Details

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