Triangles
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This first look at triangles during the first two years of secondary education is mainly focused on the following: constructing triangles using a ruler and compass, characteristics of equal triangles, angles and area. Before studying this unit students should be familiar with how to measure angles and carry out operations with them. Although the study of special lines in a triangle usually takes place during the third and fourth years of secondary education a general introduction to this area in the second year is useful, and the Nippe Descartes programme is an excellent way of doing this.
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Tipo de licencia
Esta obra esta bajo una licencia" Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Usuario final
learner
Contribuciones
publisher
INTEF
08/01/2026
publisher
INTEF .
08/01/2026
publisher
INTEF
08/01/2026
author
Miguel García Reyes
08/01/2026
publisher
Instituto de Tecnologías Educativas (ITE)
08/01/2026
editor
Instituto de Tecnologías Educativas (ITE)
08/01/2026
technical validator
José María Aína Martínez
08/01/2026