Triangle inequality (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Triangle inequality" in English language version.

refsWebsite

Global rank English rank

3^rd place

6^th place

4,660^th place

5,295^th place

513^th place

537^th place

6,602^nd place

6,109^th place

archive.org

Mohamed A. Khamsi; William A. Kirk (2001). "§1.4 The triangle inequality in $R n$ ". An introduction to metric spaces and fixed point theory. Wiley-IEEE. ISBN 0-471-41825-0.
Oliver Brock; Jeff Trinkle; Fabio Ramos (2009). Robotics: Science and Systems IV. MIT Press. p. 195. ISBN 978-0-262-51309-8.
Harold R. Jacobs (2003). Geometry: seeing, doing, understanding (3rd ed.). Macmillan. p. 201. ISBN 0-7167-4361-2.
Alexander Zawaira; Gavin Hitchcock (2009). "Lemma 1: In a right-angled triangle the hypotenuse is greater than either of the other two sides". A primer for mathematics competitions. Oxford University Press. ISBN 978-0-19-953988-8.
John Stillwell (1997). Numbers and Geometry. Springer. ISBN 978-0-387-98289-2. p. 95.
Rainer Kress (1988). "§3.1: Normed spaces". Numerical analysis. Springer. p. 26. ISBN 0-387-98408-9.
Karen Saxe (2002). Beginning functional analysis. Springer. p. 61. ISBN 0-387-95224-1.
Anonymous (1854). "Exercise I. to proposition XIX". The popular educator; fourth volume. Ludgate Hill, London: John Cassell. p. 196.

David E. Joyce (1997). "Euclid's elements, Book 1, Proposition 20". Euclid's elements. Dept. Math and Computer Science, Clark University. Retrieved 2010-06-25.

Wolfram|Alpha. "input: solve 0<a<2a+3d, 0<a+d<2a+2d, 0<a+2d<2a+d,". Wolfram Research. Retrieved 2010-09-07.
Wolfram|Alpha. "input: solve 0<a<ar+ar², 0<ar<a+ar², 0<ar²<a+ar". Wolfram Research. Retrieved 2010-09-07.
Wolfram|Alpha. "input: solve 0<a<ar+ar²+ar³, 0<ar³<a+ar+ar²". Wolfram Research. Retrieved 2012-07-29.