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Cyclic Polygons and Their Euler Lines
Published online by Cambridge University Press: 03 November 2016
Extract
Given points P1 P2, …, Pn on a circle centre 0, they have a centroid G. We shall show that they have also a generalised orthocentre H, a generalised nine point circle with centre N, and that OGNH lie on a line forming a harmonic range.
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- Copyright © Mathematical Association 1967
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