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On pedal tetrahedra
Published online by Cambridge University Press: 31 October 2008
Extract
1. In a tetrahedron ABCD with its opposite edges perpendicular there are two tetrahedra which can be described as pedal tetrahedra. (1) the tetrahedron A0B0C0D0 where these points are the feet of the perpendiculars from ABCD on to the faces BCD.
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- Research Article
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- Copyright © Edinburgh Mathematical Society 1939
References
1 Math. Notes 30, 05 1937.Google Scholar