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13 messages added in the last 7 days
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  • Re: New theorem?

    I am sorry! But I have known that It is old!

    thaygiaogiang 1 day ago

  • New theorem?

    Dear geometers! I have found a problem. Is it known? Please give me your solution! Thanks a lot. Sincerely Nguyen Ngoc Giang Theorem: "Given a triangle ABC.

    thaygiaogiang 1 day ago

  • Re: A boundary quartic of generalised Steinhaus Problem

    Dear friends, Numerical observation added: Let ABC be a triangle and P1 a point. There is a boundary quartic for the generalized Steinhaus problem. See message

    seiichikiri 1 day ago

Group Description

We discuss topics on Advanced Plane Geometry.

Group Information

  • 127
  • Geometry
  • May 7, 2013
  • English

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