en.wikipedia.org/wiki/List_of_polygons

In geometry, a polygon /ˈpɒlɪɡɒn/ is traditionally a plane figure that is bounded
by a finite ... Polygons are primarily named by prefixes from Greek numbers.

faculty.kutztown.edu/schaeffe/tutorials/general/polygons.html

For polygons with 3 through 20 sides, simply add "gon" to the prefixes at the left (
although a trigon is more commonly called a triangle and a tetragon, ...

codegolf.stackexchange.com/questions/10708/polygon-prefixes

Feb 17, 2013 ... What's the name for a 248-sided polygon? All polygons are suffixed with -gon .
There are specific prefixes for each polygon depending on the ...

www.reference.com/math/list-polygons-94da66bf828962a7

The list of common polygons includes quadrilateral, pentagon, hexagon, ...
MathsIsFun also has a table of prefixes and suffixes to use in naming polygons.

www.eduplace.com/math/mathsteps/3/a/3.polygons.ideas.html

Since much of the vocabulary for polygons will be new to your students, it is a
good idea to ... What do a tricycle and a triangle have in common? ... a triangle
has three sides, make the connection between the prefix tri- and the number
three.

www.dictionary.com/browse/polygon

Polygon definition, a figure, especially a closed plane figure, having three or
more, usually ... The view from the polygon monument is desolation on all sides.

c2.com/cgi/wiki?NumericalPrefixes

The Greek numerical prefixes are used for naming things like polygons,
polyhedra and polynomials:: mono = 1; di = 2; tri = 3; tetra = 4; penta = 5; hexa = 6
; hepta ...

www.georgehart.com/virtual-polyhedra/greek-prefixes.html

Here is a list of common Greek prefixes used in naming polygons and polyhedra.
Follow with -gon for a plane figure or with -hedron for a polyhedron. Build up ...

www.shmoop.com/quadrilaterals/polygons.html

As far as naming polygons goes, we usually name them with Greek prefixes (like
... The key is to draw just enough to separate the polygon into all into triangles.

blog.larrydavidson.com/2010/12/10/names-of-polygons/

Dec 10, 2010 ... All other polygons have Greek names. ... the Greek prefix and suffix instead of the
mixed Roman/Greek nonagon), the term “nonagon,” which is ...