After nonagon (or alternatively ennagon-also 9 sides) comes decagon (deca=10), then hendecagon (or undecagon)(hen or un=1+deca(10)=11 sides), followed by dodecagon (do=2+deca=12)... you can see a great list of polygon names here:
http://www.pubquizhelp.com/sci/polygon.html
Hope that helps, and you have a great day!
Asuka Jr.
nonagon
Pentagon
a nonagon has nine sides and nine angles and nine corners. It comes from the Latin word 'nonus' meaning nine.
decagon.
In geometry, an enneagon or nonagon is a nine-sided polygon. The name enneagon comes from Greek enneagonon.
The answer is a Nonagon. Hope this helps!!
nonagon
Because nonagon means 9 sides
A nonagon is a polygon with nine sides. The prefix "nona-" in nonagon comes from the Latin word for "nine." Each side of a nonagon connects to two other sides, forming a total of nine straight sides that enclose the shape.
Not a regular nonagon.
A nonagon has nine sides.
A nonagon