Geodesic
The transformation of objects in GeoGebra
Čebyševskij sbornik, Tome 18 (2017) no. 2, pp. 129-143.

Voir la notice de l'article provenant de la source Math-Net.Ru

The article provides an overview of the system GeoGebra is designed to perform various transformations of objects on the plane using built-in tools and commands. Transformations that can be implemented with tools and commands — a mirror image of the object relative to the direct (axial symmetry), reflection of an object about a point (сentral symmetry), inversion relative to the circle, rotate around a point, parallel to the migration on a vector, homothety relative to the point. In addition, with commands, Shear and Stretch, not having tools analogues, you can make variety shifts of objects along and across of directions. Bibliography: 12 titles.
Keywords: GeoGebra, reflection, inversion, rotation, translation, homothety, shifts. 
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A. R. Esayan; N. N. Dobrovolsky. The transformation of objects in GeoGebra. Čebyševskij sbornik, Tome 18 (2017) no. 2, pp. 129-143. http://geodesic.mathdoc.fr/item/CHEB_2017_18_2_a6/

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