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93.15 Some theorems about perpendicular lines, proved using an extension of Pythagoras’ theorem

Published online by Cambridge University Press:  01 August 2016

Wladimir G. Boskoff
Affiliation:
Department of Mathematics and Computer Science, Ovidius University, Constanţa, Romania
Laurenţiu Homentcovschi
Affiliation:
Department of Mathematics and Computer Science, Ovidius University, Constanţa, Romania
Bogdan D. Suceavă
Affiliation:
Department of Mathematics, California State University, Fullerton CA 92834-6850, USA

Abstract

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Type
Notes
Copyright
Copyright © The Mathematical Association 2009

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References

1. Lalescu, T., Géométrie du triangle, Editions Jacques Gabay, 2003 (First edition in 1937).Google Scholar
2. Silvester, J. R., Extensions of a theorem of Van Aubel, Math. Gaz., 90 (March 2006) pp. 212.CrossRefGoogle Scholar
3. Marchitan, G., Problem 22607, Gazeta matematica, Issue 2–3/1992. Softwin Electronic Database, Bucharest, 2005.Google Scholar