We find some concyclicity properties related to the v-parallelograms and the orthic quadrilaterals of a convex quadrilateral. In particular, we obtain a concyclicity property that allows us to define the second Droz-Farny circle for orthodiagonal quadrilaterals.
Some concyclicity properties of convex quadrilaterals
FERRARELLO, DANIELA;MAMMANA, MARIA FLAVIA;PENNISI, Mario
2013-01-01
Abstract
We find some concyclicity properties related to the v-parallelograms and the orthic quadrilaterals of a convex quadrilateral. In particular, we obtain a concyclicity property that allows us to define the second Droz-Farny circle for orthodiagonal quadrilaterals.File in questo prodotto:
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