A heptagon in Euclidean House is not able to produce uniform tilings alongside other polygons, much like the common pentagon. Having said that, it is one of fourteen polygons which can fill a aircraft-vertex tiling, in its situation only together with a regular triangle and a forty two-sided polygon (three. https://mobilityexercisesforsenio43196.ktwiki.com/1794087/facts_about_7_day_pill_organizers_revealed