Contents Ancient greek εἴκοσι Diverse printing equipment enables Shade. slatted wood canopies Organises eye-catching tent sleepovers Challenger milan “pete In geometry, an icosahedron is a polyhedron with 20 faces. The name comes from ancient greek εἴκοσι, meaning ‘twenty’, and ἕδρα, meaning ‘seat’. The plural can be either "icosahedra" or "icosahedrons". There are many kinds of … Continue reading Twenty Sided Shape