Augmented dodecahedron
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In geometry, the augmented dodecahedron is one of the Johnson solids (Template:Math), consisting of a dodecahedron with a pentagonal pyramid (Template:Math) attached to one of the faces. When two or three such pyramids are attached, the result may be a parabiaugmented dodecahedron (Template:Math), a metabiaugmented dodecahedron (Template:Math), or a triaugmented dodecahedron (Template:Math).