A nine-sided object is known as a nonagon.
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∙ 14y agoOctagon.
A five sided 2 dimensional object is called a pentagon.
nonagon
A triangular pyramid.
There are two different names commonly used for a 9 sided figure: a nonagon or, an enneagon.
The name of a 9 sided polygon is Nonagon.
The name of a 9 sided polygon is nonagon or enneagon.
octagon
hendecagon
Decagon.
Octagon.
Nonagon For given polygons, the names are from their Latin roots. 3 ; Trigon(triangle) 4 ; Tetragon ( any quadrilateral). 5 ; Pentagon 6 ; Hexagon 7 ; Heptagon 8 ; Octagon 9 ; Nonagon 10 ; Decagon.
the Greeks used prefexes up to ten, modernly we have sdded dodecagon for a twelvesided object and undecagon for an eleven sided object so the propor name would be a 27 sided object.
A hexakaidecagon (hexadecagon).
Decagon
A five sided 2 dimensional object is called a pentagon.
Nonagon is the name of a 9 sided shape. The US Steel Tower in Pittsburgh, Pennsylvania is a nonagon.