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Altitude, Orthocenter of a Triangle and Triangulation

Open Access
|Aug 2016

Abstract

We introduce the altitudes of a triangle (the cevians perpendicular to the opposite sides). Using the generalized Ceva’s Theorem, we prove the existence and uniqueness of the orthocenter of a triangle [7]. Finally, we formalize in Mizar [1] some formulas [2] to calculate distance using triangulation.

DOI: https://doi.org/10.1515/forma-2016-0003 | Journal eISSN: 1898-9934 | Journal ISSN: 1426-2630
Language: English
Page range: 27 - 36
Submitted on: Dec 30, 2015
Published on: Aug 31, 2016
Published by: University of Białystok
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:

© 2016 Roland Coghetto, published by University of Białystok
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License.