Posted by catherine on Thursday, April 1, 2010 at 5:34pm.
This dictionary shows only two divisions.
http://dictionary.reference.com/browse/quadrilateral
huh?
From the above dictionary:
"Origin:
1640–50; < L quadrilater(us) four-sided + -al1. See quadri-, lateral
Word Origin & History
quadrilateral
1650, from L. quadrilaterus, from quadri- "four" + latus (gen. lateris) "side" (see oblate (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper "
ok thank you
You're welcome.
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