Though he'd never seen one in person, Rob Evershed, a member of the group, recognized the hollow, rounded object as a Roman dodecahedron. Everyone started Googling on their phones. Work stopped as ...

The number of edges of a pyramid is twice the number ... These are the tetrahedron, cube, octahedron, dodecahedron and icosahedron. are used to make dice. One property of a platonic solid is ...