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Il monte Chegul a est di Trento. Da questo punto di vista vi si può riconoscere un profil...
Un edificio di forma strana (un prisma la cui base potrebbe essere un trapezio, o anche un...
There are not only prisms and pyramids! This (non-convex) polyhedron has 10 faces, all of ...
We can pick out 8 vertices among the 20 vertices of a dodecahedron so that they are the ve...
There are five ways to pick out 8 vertices among the 20 vertices of dodecahedron to form a...
There are five ways to pick out 8 vertices among the 20 vertices of dodecahedron to form a...
There are 5 ways to pick out 8 vertices among the 20 vertices of dodecahedron to form a cu...
A rather unusual dice, shaped like a regular icosahedron, with 20 faces.
Inside an Ames room: exhibit of matemilano, section “Visualisation”. Image used in the...
