A heptagon in Euclidean Room is struggling to make uniform tilings along with other polygons, such as the standard pentagon. Even so, it is among fourteen polygons that may fill a airplane-vertex tiling, in its situation only together with a regular triangle in addition to a forty two-sided polygon (3. https://senioraidtools.com/10-easy-mobility-exercises-for-seniors-to-stay-active-and-independent/