EntityQ3893499· pop 13· linked from 109 articlesskew polygonSign in to savepolygon whose vertices do not lie in a planeConnectionsduoprismEntityquadrilateralEntityparallelogramEntitytrapezoidEntityhexagonEntityoctagonEntityshapeEntitydecagonEntitydodecagonEntityantiprismEntityHarold Scott MacDonald CoxeterEntityvertex figureEntityCoxeter elementEntitygeometryEntitytriangleEntityInternational Standard Book NumberEntitysquareEntityrectangleEntitypolygonEntityrhombusEntityCategoriesTypes of polygons