The Droz-Farny circles of a convex quadrilateral - Maria Flavia Mammana, Biagio Micale and Mario Pennisi

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    The Droz-Farny circles of a convex quadrilateral - Maria Flavia Mammana, Biagio Micale and Mario Pennisi​

    The Droz-Farny circles of a triangle are a pair of circles of equal radii obtained by particular geometric constructions. In this paper we deal with the problem to see whether and how analogous properties of concyclicity hold for convex quadrilaterals.

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    LTTK CTV, 9/10/19
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