hectotrigon or hecatontatrigon
A 103-sided polygon is called a "hectacontatrigon." The naming convention for polygons is based on Greek numerical prefixes, with "hecta" meaning 100 and "conta" meaning 10. The suffix "trigon" denotes a polygon with three sides.
It works out as having 5150 diagonals
an Irregular Polygon
A regular polygon
an irregular polygon
A regular polygon.
Just call it a "24-sided polygon".
A cyclic polygon.
The name of a sided polygon is Octaconpentagon.
Any polygon has 3 or more sides
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon