خط أويلر (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "خط أويلر" in Arabic language version.

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ams.org

ams.org

mathscinet.ams.org

  • Edmonds، Allan L.؛ Hajja، Mowaffaq؛ Martini، Horst (2008)، "Orthocentric simplices and biregularity"، Results in Mathematics، ج. 52، ص. 41–50، DOI:10.1007/s00025-008-0294-4، MR:2430410، It is well known that the incenter of a Euclidean triangle lies on its Euler line connecting the centroid and the circumcenter if and only if the triangle is isosceles.

arxiv.org

books.google.com

dartmouth.edu

math.dartmouth.edu

doi.org

fau.edu

forumgeom.fau.edu

jstor.org

  • Leversha، Gerry؛ Smith، G. C. (نوفمبر 2007)، "Euler and triangle geometry"، Mathematical Gazette، ج. 91، ص. 436–452، JSTOR:40378417.
  • Parry، C. F. (1991)، "Steiner–Lehmus and the automedian triangle"، The Mathematical Gazette، ج. 75، ص. 151–154، JSTOR:3620241.

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