EntityQ2493022· pop 12· linked from 175 articlesrotundaSign in to savesolid formed by joining two polygons, one with twice as many edges as the other, by an alternating band of triangles and pentagonsConnectionspolyhedronEntitygeometryEntitytriangleEntitycubeEntitypentagonEntitypyramidEntityprismEntityPlatonic solidEntityvertexEntityoctahedronEntityedgeEntityArchimedean solidEntityfaceEntitycyclic groupEntitytruncated icosahedronEntityantiprismEntityrhombic dodecahedronEntitybipyramidEntityfrustumEntitycuboctahedronEntityCategoriesJohnson solids