A heptagon in Euclidean space is not able to generate uniform tilings together with other polygons, similar to the normal pentagon. Nevertheless, it is among fourteen polygons that can fill a airplane-vertex tiling, in its scenario only along with a daily triangle and a 42-sided polygon (three. two hrs ago https://senioraidtools.com/10-easy-mobility-exercises-for-seniors-to-stay-active-and-independent/