NW-Mailing-List Digest, Vol 16, Issue 4

[NW Mailing List]

A geometric figure with three or more sides is a polygon, I think.  I am 
fairly certain that hexagons are limited to six sides. The sequence is 
pentagon, hexagon, septagon, octagon, nonagon (I think), decagon(?), and who 
knows what an eleven-sided, or a twelve-sided figure would be called?

Neill Herring