International Cat Speculators Since 2006

What’s a hendecagon?


Wife asked just now hoe many sides a pentagon had.

Here’s a handy chart from here.

3 triangle, trigon
4 quadrilateral, tetragon
5 pentagon
6 hexagon
7 heptagon
8 octagon
9 nonagon, enneagon
10 decagon
11 hendecagon
12 dodecagon, duodecagon
13 triskaidecagon, tridecagon
14 tetrakaidecagon, tetradecagon
15 pentadecagon
16 hexadecagon
17 heptadecagon
18 octadecagon
19 enneadecagon
20 icosagon

I note that most of those above 9 trigger my spell checker!

Comments on: "What’s a hendecagon?" (1)

  1. […] What’s a hendecagon? at Something Should Go Here – a handy chart for figuring out which figure is which. […]

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