An elementary proof without words of Thales’ theorem [1, 2] is presented.

plane geometry, analytic geometry.

Received: September 14, 2024; Accepted: October 9, 2024; Published: October 16, 2024

How to cite this article: Dinamérico P. Pombo Jr., A proof of Thales’ theorem, Far East Journal of Mathematical Education 26(2) (2024), 109-110. http://dx.doi.org/10.17654/0973563124011

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

References:
[1] J. L. M. Barbosa, Geometria Euclidiana Plana, 11a edição, Sociedade Brasileira de Matemática, 2007.
[2] F. Severi, Elementos de Geometría II, 3a edición, Manuales Técnicos Labor, 1952.