2 ms·
20 faces and 12 verts is an icosahedron. Both have 30 edges. Geometry magic?
by drewcoo 3y ago
20 faces and 12 verts is an icosahedron.
Both have 30 edges.
Geometry magic?
- jcranmer 3y agoThe icosahedron and dodecahedron are duals of one another: each vertex of one corresponds to a face of the other and vice versa. All convex polyhedra satisfy the property that V + F = E + 2, and since the dual polyhedron conserves the quantity V + F, consequently, dual polyhedra have the same number of edges.