A heptagon in Euclidean space is unable to produce uniform tilings along with other polygons, such as the normal pentagon. Nonetheless, it is one of fourteen polygons that could fill a plane-vertex tiling, in its scenario only alongside a daily triangle and also a forty two-sided polygon (3. 2 hrs https://messiahvzbyt.wizzardsblog.com/37777634/5-simple-statements-about-7-day-pill-organizers-explained