EntityQ192535· pop 16· linked from 182 articleselongated triangular bipyramidSign in to saveJohnson solidConnectionssquareEntitytetrahedronEntitydihedral groupEntityJohnson solidEntitytriangleEntityInternational Standard Book NumberEntitydigital object identifierEntityInternational Standard Serial NumberEntitypyramidEntityequilateral triangleEntitypolyhedronEntityprismEntityPlatonic solidEntityvertexEntityregular polygonEntityedgeEntityconvex setEntityMathWorldEntityQ22908627EntityArchimedean solidEntityCategoriesBipyramidsJohnson solids