The reason the shape changes from 3D to 2D when you get to six triangles has to do with the number of degrees in an equilateral triangle. There are 60 degrees at each vertex of the triangle, so ...

Learn about properties of 3D shapes with this BBC Bitesize Maths ... Two faces are joined by an edge. Three square faces meet at a vertex. End of image gallery. Questions. Show that the formula ...

Credit Suisse First Boston maintained an "outperform" rating on Vertex Pharmaceuticals and said shares could double in price in three years. "Vertex shares are once again challenging our price ...

The reactive vertex can be programmed to self-assemble in a self-limiting fashion into a tetrahedron, a hexahedron or a dodecahedron , with the type of cage formed encoded in the shape of the ...

Learn about properties of 3D shapes with this BBC Bitesize Maths article. For students between the ages of 11 and 14.