EntityQ76054· pop 19· linked from 176 articlespentagonal cupolaSign in to saveJohnson solidConnectionsJohnson solidEntitysquareEntitypentagonEntitydecagonEntitygeometryEntitytriangleEntityInternational Standard Book NumberEntityvolumeEntitydigital object identifierEntityInternational Standard Serial NumberEntitypyramidEntityformulaEntityequilateral triangleEntitypolyhedronEntityprismEntitybibcodeEntityPlatonic solidEntityvertexEntityregular polygonEntityedgeEntityCategoriesElementary polyhedronJohnson solidsPrismatoid polyhedra