Immagini animate per la matematica
Somma degli angoli di un triangolo
https://bussolascuola.tumblr.com/post/142892263507/malinchristersson-angle-sum-of-a-triangle
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Versione interattiva
http://www.malinc.se/math/geometry/anglesen.php
Area di un cerchio
https://bussolascuola.tumblr.com/post/142892326407/malinchristersson-area-of-a-circle-interactive
Versione interattiva
http://www.malinc.se/math/geometry/circleen.php
Solidi platonici
Tetraedro
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Cubo
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Ottaedro
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Dodecagono
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Icosaedro
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