Which shape is larger?

A
B
None of them
Both are larger
Both shapes are the same, but the bottom one is placed more to the right. This is however difficult to notice. It is known as Jastrow Illusion.
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Answers by country

A
B
None of them
Both are larger
answers
flagFrance
3%
3%
76%
16%
30
flagGreece
0%
19%
69%
11%
36
flagSwitzerland
3%
12%
69%
15%
33
flagthe Netherlands
0%
15%
66%
15%
33
flagPoland
2%
19%
65%
11%
29621
flagthe United Kingdom
3%
16%
61%
17%
295
flagCanada
7%
16%
61%
13%
67
flagGermany
5%
17%
57%
19%
295
flagSingapore
2%
15%
57%
23%
38
flagAustralia
3%
14%
55%
26%
92
flagAustria
5%
16%
54%
24%
37
flagthe United States
5%
19%
53%
20%
965
flagRussia
5%
13%
53%
26%
107
flagthe Philippines
7%
22%
50%
19%
66
flagUnknown
9%
26%
50%
14%
42
flagUkraine
3%
14%
49%
32%
156
flagBelarus
3%
17%
46%
32%
28
flagRepublic of Ireland
7%
17%
46%
25%
28
flagIndia
9%
27%
35%
26%
409
flagMalaysia
0%
26%
26%
43%
23