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I poligoni regolari
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Distanza, asse del segmento
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Triangolo con angoli di 45°
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Triangolo con angolo di 30°
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Area del trapezio
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Area del rombo
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Area del rombo-parallelogramma
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Altezze
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Mediane
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Area del triangolo
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dimostrazione somma angoli interni di…
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Somma delle facce di un angoloide
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