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Perpendiculars to a chord 21

Total Visits per Month

April 2020 May 2020 June 2020 July 2020 August 2020 September 2020 October 2020
Perpendiculars to a chord 0 0 0 0 0 0 1

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Germany 8
China 5
United States 5
Brazil 1
Russia 1
Ukraine 1

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Ashburn 4
Ann Arbor 1
Nanchang 1
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Shenzhen 1
Tianjin 1