On revising geometry of transformation according to the Euclidean geometry, we use Cabri in order to create two 'macros' which both allow to construct the correspondent P' of a point P in the isometry (direct or inverse) individuated by two congruent triangles. In order to make our presentation more interesting and fruitful, we pay special attention to heuristic aspects and to the contents connected, with the problems tackled. For this reason, besides presenting the solutions we discuss, the various features which lead to the individuation and refinement of the solutions suggested.
Esplorazioni Geometriche (2°): Cabri e le isometrie / Pellegrino, Consolato; E., Barozzi. - In: LA MATEMATICA E LA SUA DIDATTICA. - ISSN 1120-9968. - STAMPA. - 11 (n. 2):(1997), pp. 202-212.
Esplorazioni Geometriche (2°): Cabri e le isometrie
PELLEGRINO, Consolato;
1997
Abstract
On revising geometry of transformation according to the Euclidean geometry, we use Cabri in order to create two 'macros' which both allow to construct the correspondent P' of a point P in the isometry (direct or inverse) individuated by two congruent triangles. In order to make our presentation more interesting and fruitful, we pay special attention to heuristic aspects and to the contents connected, with the problems tackled. For this reason, besides presenting the solutions we discuss, the various features which lead to the individuation and refinement of the solutions suggested.
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