The star polygon .
Octagram
See also
Octagon, Polygram, Star of LakshmiExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Octagram." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Octagram.html
The star polygon .
Weisstein, Eric W. "Octagram." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Octagram.html