The Gergonne point generalized through convex coordinates

The Gergonne point of a triangle is the point at which the three cevians to the points of tangency between the incircle and the sides of the triangle are concurrent. In this paper, we follow Koneĉný [7] in generalizing the idea of the Gergonne point and find the convex coordinates of the generalized...

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Main Authors: J. N. Boyd, P. N. Raychowdhury
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171299224234
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author J. N. Boyd
P. N. Raychowdhury
author_facet J. N. Boyd
P. N. Raychowdhury
author_sort J. N. Boyd
collection DOAJ
description The Gergonne point of a triangle is the point at which the three cevians to the points of tangency between the incircle and the sides of the triangle are concurrent. In this paper, we follow Koneĉný [7] in generalizing the idea of the Gergonne point and find the convex coordinates of the generalized Gergonne point. We relate these convex coordinates to the convex coordinates of several other special points of the triangle. We also give an example of relevant computations.
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spelling doaj-art-ac82838cabd546f7a307a14a45d3082b2025-02-03T01:33:16ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251999-01-0122242343010.1155/S0161171299224234The Gergonne point generalized through convex coordinatesJ. N. Boyd0P. N. Raychowdhury1Department of Mathematical Sciences, Virginia Commonwealth University , Richmond 23284-2014, Virginia, USADepartment of Mathematical Sciences, Virginia Commonwealth University , Richmond 23284-2014, Virginia, USAThe Gergonne point of a triangle is the point at which the three cevians to the points of tangency between the incircle and the sides of the triangle are concurrent. In this paper, we follow Koneĉný [7] in generalizing the idea of the Gergonne point and find the convex coordinates of the generalized Gergonne point. We relate these convex coordinates to the convex coordinates of several other special points of the triangle. We also give an example of relevant computations.http://dx.doi.org/10.1155/S0161171299224234Convex (barycentric) coordinatescevianGergonne pointincircleCeva's theorem.
spellingShingle J. N. Boyd
P. N. Raychowdhury
The Gergonne point generalized through convex coordinates
International Journal of Mathematics and Mathematical Sciences
Convex (barycentric) coordinates
cevian
Gergonne point
incircle
Ceva's theorem.
title The Gergonne point generalized through convex coordinates
title_full The Gergonne point generalized through convex coordinates
title_fullStr The Gergonne point generalized through convex coordinates
title_full_unstemmed The Gergonne point generalized through convex coordinates
title_short The Gergonne point generalized through convex coordinates
title_sort gergonne point generalized through convex coordinates
topic Convex (barycentric) coordinates
cevian
Gergonne point
incircle
Ceva's theorem.
url http://dx.doi.org/10.1155/S0161171299224234
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