垂足三角形 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "垂足三角形" in Japanese language version.

refsWebsite
Global rank Japanese rank
2nd place
6th place
4,043rd place
1,772nd place
6th place
146th place
5th place
19th place
513th place
882nd place
low place
low place

archive.org

  • Alfred S. Posamentier; Charles T. Salkind (1996). Challenging problems in geometry. New York: Dover. pp. 85-86. ISBN 9780486134864. OCLC 829151719. https://archive.org/details/challengingprobl00posa 

doi.org

doi.org

dx.doi.org

evansville.edu

faculty.evansville.edu

wikibooks.org

en.wikibooks.org

wolfram.com

mathworld.wolfram.com

  • Weisstein, Eric W.. “Antipedal Triangle” (英語). mathworld.wolfram.com. 2024年3月21日閲覧。

worldcat.org

  • Alfred S. Posamentier; Charles T. Salkind (1996). Challenging problems in geometry. New York: Dover. pp. 85-86. ISBN 9780486134864. OCLC 829151719. https://archive.org/details/challengingprobl00posa