Unit distances in the regular heptagon
In this figure you can find several segments, related to a regular heptagon, that are as long as the sides.
As of 10 March 2018 some new features have been added to the RegularNGons tool, namely, immediate visualization of the explored results in GeoGebra. This figure can also be created at GeoGebra's test site if your browser supports WebAssembly.