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Some triangle theorems by complex numbers

Published online by Cambridge University Press:  11 October 2023

John R. Silvester
John R. Silvester*
Affiliation:
Department of Mathematics, King’s College, Strand, London WC2R 2LS e-mail: john.silvester@cantab.net
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Extract

The following theorems appear in [1, pp. 62-63]: Theorem 1 If similar triangles A1B0C0, A0B1C0, A0B0C1 are erected externally on the sides of ΔA0B0C0, then the circumcircles of these three triangles have a common point, F.

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Articles
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The Mathematical Gazette , Volume 107 , Issue 570 , November 2023 , pp. 454 - 473
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© The Authors, 2023 Published by Cambridge University Press on behalf of The Mathematical Association

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References

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