Star polygon names combine a numeral prefix, such as penta-, with the Greek suffix -gram (in this case generating the word See more

A regular star polygon is a self-intersecting, equilateral, and equiangular polygon.
A regular star polygon is denoted by its Schläfli symbol {p/q}, where p (the number of vertices) and q (the density) are relatively prime (they … See more

When the intersecting line segments are removed from a regular star n-gon, the resulting figure is no longer regular, but can be seen as an isotoxal concave simple 2n-gon, alternating vertices at two different radii. … See more

The interior of a star polygon may be treated in different ways. Three such treatments are illustrated for a pentagram. Branko Grünbaum and Geoffrey Shephard consider two of them, as regular star n-gons and a… See more

Star polygons feature prominently in art and culture. Such polygons may or may not be regular, but they are always highly symmetrical. Examples include:
• The {5/2} star pentagon (pentagram) is also know… See more

• List of regular polytopes and compounds#Stars
• Five-pointed star
• Magic star
• Moravian star… See more