Cevians as sides of triangles.
Čerin, Zvonko (2000)
Mathematica Pannonica
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Čerin, Zvonko (2000)
Mathematica Pannonica
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Čerin, Z. (1997)
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Miguel de Guzmán (2001)
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A simple proof is presented of a famous, and difficult, theorem by Jakob Steiner. By means of a straightforward transformation of the triangle, the proof of the theorem is reduced to the case of the equilateral triangle. Several relations of the Steiner deltoid with the Feuerbach circle and the Morley triangle appear then as obvious.
Kolar-Begović, Z., Kolar-Šuper, R., Beban-Brkić, J., Volenec, V. (2006)
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Bukor, József (2008)
Annales Mathematicae et Informaticae
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Judita Cofman (1998)
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R. Bambah, C. Rogers, H. Zassenhaus (1964)
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R. Lubben (1928)
Fundamenta Mathematicae
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