Another proof of van Lamoen's theorem and its converse - Minh Ha Nguyen

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    Another proof of van Lamoen's theorem and its converse - Minh Ha Nguyen​

    We give a proof of Floor van Lamoen's theorem and its converse on the circumcenters of the cevasix configuration of a triangle using the notion of directed angle of two lines.

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    LTTK CTV, 4/10/19
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