Ampliação e redução: uma visão homotética de semelhança
2008
This mini-course aims at developing a homothetic vision of similarity. With the focus on the teaching and learning of Geometry, considering the numerous difficulties and obstacles found while teaching such a discipline, motivational activities with the use of various resources such as textbooks will be proposed: rubberized material, straws, tacks, ruler, compasses, drawing paper and graph paper. In this mini-course, participants will have the opportunity to zoom in and out several pictures by using two methods: first, the grid and, then, the homothetic transformation, developing, intuitively, the idea of similarity of polygons.
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