In geometry, a star polygon is a type of non-convex polygon. Regular star polygons have been studied in depth; while star polygons … 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 … See more

Star polygons feature prominently in art and culture. Such polygons may or may not be regular, but they are always highly symmetrical See more

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

A regular star polygon is a self-intersecting, equilateral, and equiangular polygon.
A regular star polygon is denoted by its Schläfli symbol 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 … See more

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