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Why Are the Gergonne and Soddy Lines Perpendicular? A Synthetic Approach - MaRDI portal

Why Are the Gergonne and Soddy Lines Perpendicular? A Synthetic Approach

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Publication:3095415

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DOI10.1080/0025570X.2008.11953551zbMath1223.51022MaRDI QIDQ3095415

Zuming Feng

Publication date: 1 November 2011

Published in: Mathematics Magazine (Search for Journal in Brave)

zbMATH Keywords

Gergonne lines Soddy lines

Mathematics Subject Classification ID

Elementary problems in Euclidean geometries (51M04) Plane and spherical trigonometry (educational aspects) (97G60)

Related Items (1)

Simultaneous Generalizations of the Theorems of Menelaus, Ceva, Routh, and Klamkin/Liu

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