EntityQ2294516· pop 20· linked from 117 articlesdual graphSign in to savegraph representing faces of another graphConnectionsglossary of graph theory termsEntitydual polyhedronEntitycutEntitycomplementEntityplanar graphEntityloopEntitymathematicsEntityLeonhard EulerEntityJohannes KeplerEntityInternational Standard Book NumberEntityalgorithmEntitytransistorEntitytopologyEntitypolygonEntitydigital object identifierEntitydrainage basinEntityintegrated circuitEntityvector spaceEntitypyramidEntitygeographic information systemEntityCategoriesAlgebraic graph theoryDuality (mathematics)Graph operationsPlanar graphsTopological graph theory