What is Icosahedron?
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An icosahedron is a 20-faced polyhedron.
Examples include the decagonal dipyramid, elongated triangular gyrobicupola (Johnson solid ), elongated triangular orthobicupola (), gyroelongated triangular cupola (), Jessen's orthogonal polyhedron, metabiaugmented dodecahedron (), nonagonal antiprism, parabiaugmented dodecahedron (), 18-gonal prism, 19-gonal pyramid, regular icosahedron, and rhombic icosahedron.
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An archaic term for the element mercury - a heavy silver-white poisonous metallic element that is liquid at ordinary temperatures and is..