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What is Icosahedron?

In geometry, an icosahedron is a polyhedron with 20 faces. The name comes from Ancient Greek εἴκοσι (eíkosi), meaning 'twenty', and ἕδρα (hédra), meaning 'seat'. The plural can be either "icosahedra" or "icosahedrons". There are infinitely many non-similar shapes of icosahedra, some of them being more symmetrical than others. The best known is the (convex, non-stellated) regular icosahedron—one of the Platonic solids—whose faces are 20 equilateral triangles.

Technology Types

geodesic polyhedragraphindividual graph


20-face20-hedronBirectified DodecahedronEicosahedronGreat stellatriakis icosahedronGyroelongated pentagonal bipyramidGyroelongated pentagonal dipyramidIcosahedraIcosahedralIcosasphereIcosihedronIcosohedranIcosohedronIsocahedronPseudoicosahedraPseudoicosahedronPyritohedral icosahedronSnub tetratetrahedron


Dudekedro (eo)Dvacetistěn (cs)Icosaëder (nl)Icosàedre (ca)Icosaèdre (fr)Icosaedro (es)Icosaedro (it)Icosaedro (pt)Ikosaeder (de)Ikosaeder (sv)Ikosaedro (eu)Ikosahedron (in)Εικοσάεδρο (el)Икосаэдр (ru)عشروني سطوح (ar)이십면체 (ko)二十面体 (ja)二十面体 (zh)

Tech Info

Source: [object Object]
 — Date merged: 11/6/2021, 1:32:46 PM
 — Date scraped: 5/20/2021, 6:18:42 PM