Another purely synthetic proof of Lemoine's theorem - Nguyen Tien Dung

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    Another purely synthetic proof of Lemoine's theorem - Nguyen Tien Dung​

    In this article, we give another purely synthetic proof the Lemoine's theorem that the symmedian point of a triangle is the unique point which is the centroid of its own pedal triangle.

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    LTTK CTV, 10/10/19
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