<< - Page 7 8 9 10 11 12 13 14 15 16 17 - >>
Un tetraedro regolare e il suo sviluppo. Qual è il rapporto tra il suo volume e quello di...
Ciascuno di questi due poliedri si ottiene accostando due di questi altri. Unendo questi d...
Two hot air balloons: the one on the right has the structure of a uniform polyhedron of ty...
At the Haus Noldin in Salorno (Bolzano) we can see a strange lamp composed by 7 squares, 1...
A regular tetrahedron (blue) and a tetrahedron with the same volume (yellow).
In the Malaspina castle, in Fosdinovo (MS), we can see a lamp whose shape is similar to a ...
This cubic box can be opened in a unusual way and shows a polygon that can be a section of...
A cube made with tooth-picks and plasticine. If we make two cubes and join them up, we get...
This die, whose faces are decorated with Korean writings that contain the rules of the gam...
