Circle escribable to a quadrilateral

Ovidiu T. Pop

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In this article we will define the notion of circle eserthable to a quadrilateral corresponding to a side of the quadrilateral. Then, in some conditions, the escribable circle’s radius will be determined. In the end, the article contains identities and inequalities checked by the circle s radius eseribahle to a quadrilateral.

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Pop, Ovidiu T