A heptagon in Euclidean space is unable to crank out uniform tilings together with other polygons, such as the common pentagon. Nonetheless, it is one of fourteen polygons that could fill a aircraft-vertex tiling, in its case only together with a regular triangle and a forty two-sided polygon (3. The https://donovanulzlw.mywikiparty.com/1845995/not_known_factual_statements_about_7_day_pill_organizers