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Title:Diagonalni trikotnik konveksnega štirikotnika
Authors:ID Sever, Tadeja (Author)
ID Hvala, Bojan (Mentor) More about this mentor... New window
Files:.pdf UN_Sever_Tadeja_2016.pdf (2,74 MB)
MD5: 8ED6D1DAF44B8A4F592F4BCCE209D5B8
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FF - Faculty of Arts
Abstract:Predmet obravnave diplomskega dela je diagonalni trikotnik OPR poljubnega konveksnega štirikotnika ABCD. Ugotovili bomo, kakšna je ploščina trikotnika in rešili uvodni problem. V nadaljevanju se bomo osredotočili na diagonalni trikotnik tetivnega štirikotnika. Predstavili bomo nekaj značilnosti tetivnih štirikotnikov, s katerimi bomo izpeljali formulo za ploščino diagonalnega trikotnika tetivnega štirikotnika v odvisnosti od njegovih stranic. Na koncu bomo predstavili še zanimiv odnos med tetivnemu štirikotniku očrtano krožnico in diagonalnim trikotnikom tega štirikotnika. Dokazali bomo, da je glede na to krožnico omenjeni trikotnik sebipolaren.
Keywords:diagonalni trikotnik, konveksni štirikotnik, ploščina, tetiven štirikotnik, Miquelova točka, inverzija, polarnost, sebipolaren trikotnik
Place of publishing:Maribor
Publisher:[T. Sever]
Year of publishing:2016
PID:20.500.12556/DKUM-58221 New window
UDC:514.112.3(043.2)
COBISS.SI-ID:22188808 New window
NUK URN:URN:SI:UM:DK:HANFUWSP
Publication date in DKUM:12.05.2016
Views:1779
Downloads:162
Metadata:XML DC-XML DC-RDF
Categories:FF
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Secondary language

Language:English
Title:Diagonal triangle of a convex quadrilateral
Abstract:The subject of graduation thesis is a diagonal triangle OPR of the general convex quadrilateral ABCD. We will find the area of the triangle and we will solve an introductory problem. In the continuation of the graduation thesis we will focus on the diagonal triangle of a cyclic quadrilateral. We will present some features of cyclic quadrilaterals in order to improve the formula for the area of the diagonal triangle of a cyclic quadrilateral. Finally, we will present an interesting relationship between a circumcircle of a cyclic quadrilateral and diagonal triangle of the same quadrilateral. According to the circumcircle, we will prove that the triangle in question is self-conjugate.
Keywords:diagonal triangle, convex quadrilateral, area, cyclic quadrilateral, Miquel point, inversion, polarity, self-conjugate triangle


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