Geometric ratio
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This unit deals with some formulae connected to Thales' theorem. Rather than giving rigorous, step-by-step demonstrations, this unit offers the advantage of verifying conclusions and properties in a straightforward manner. To conclude, different examples of similarity in triangles and polygons in general is also focused on, through an interactive approach. There is an introduction to metric relations in a right-angled triangle: the theorem of the sides adjacent to the right angle and the perpendicular height theorem.
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Educational context
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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learner
Contributions
publisher
INTEF
11/01/2026
publisher
INTEF .
11/01/2026
publisher
INTEF
11/01/2026
technical validator
Ildefonso Fernández Trujillo
11/01/2026
author
Miguel García Reyes
11/01/2026
editor
Instituto de Tecnologías Educativas (ITE)
11/01/2026
publisher
Instituto de Tecnologías Educativas (ITE)
11/01/2026