A heptagon in Euclidean Area is unable to deliver uniform tilings together with other polygons, just like the normal pentagon. Having said that, it is one of fourteen polygons that could fill a airplane-vertex tiling, in its case only together with a daily triangle plus a 42-sided polygon (three. There https://andersontikeu.blogstival.com/59656513/getting-my-7-day-pill-organizers-to-work