EntityQ528787· pop 16· linked from 176 articlespentagonal orthobirotundaSign in to saveJohnson solidConnectionsgeometryEntitytriangleEntityInternational Standard Book NumberEntitydigital object identifierEntitypentagonEntitypyramidEntitypolyhedronEntityprismEntityPlatonic solidEntitydecagonEntityvertexEntityregular polygonEntityedgeEntityconvex setEntityMathWorldEntityArchimedean solidEntityfaceEntityAmerican Mathematical SocietyEntityEric W. WeissteinEntitysquare pyramidEntityCategoriesJohnson solids