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  "Grinberg point," - Google-Suche

  http://www.google.de/search?hl=de&q=%22Grinberg+point,%22&btnG=Google-Suche&meta=

  Keine Beschreibung vorhanden.

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  Euclidean Geometry: A First Course - Mark Solomonovich - Google Books

  http://books.google.de/books?id=it4Pko36IcYC

  This textbook is a self-contained presentation of Euclidean Geometry, a subject that has been a core part of school curriculum for centuries. The discussion is rigorous, axiom-based, written in a traditional manner, true to the Euclidean spirit.…

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  Category:Circle geometry – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Circle_geometry?uselang=de

  Keine Beschreibung vorhanden.

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