Browsing by Author "Trisna, Desi"

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    KONKURENSI TITIK GERGONNE
    (2014-03-25) Trisna, Desi; Natsir, M.; Hasriati
    This paper discusses the proof of the concurrent from Gergonne point. The Gergonne point of a triangle is the point at which the three lines from vertices to the points of tangency between the incircle and the sides of the triangle are concurrent. Concurrent Gergonne point can be proved through several methods and using Ceva theorem. The concurrence of Gergonne point is also proved on excircle of triangle.