A star polygon-like figure 
for which 
and 
are not relatively prime. Examples include the
hexagram 
, star of Lakshmi 
, and nonagram 
.
Star Figure
See also
Hexagram, Nonagram, Star Convex, Star of Lakshmi, Star PolygonExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Star Figure." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/StarFigure.html