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93.15 Some theorems about perpendicular lines, proved using an extension of Pythagorasâ theorem
Boskoff, Wladimir G., Homentcovschi, LaurenÅ£iu, SuceavÄ, Bogdan D.Volume:
93
Language:
english
Journal:
The Mathematical Gazette
DOI:
10.1017/s0025557200184359
Date:
March, 2009
File:
PDF, 235 KB
english, 2009