Concave polygon
Revision as of 09:11, 23 September 2007 by 1=2 (talk | contribs) (New page: http://mathforum.org/sum95/math_and/poly/concave_w_segment.gif/ Picture of Concave Polygon A '''concave polygon''' is a polygon that has an "opening" in it. (a.k.a, there are two ...)
A concave polygon is a polygon that has an "opening" in it. (a.k.a, there are two points, A, and B, in the interior such that a portion of segment AB is not in the boundary of the polygon.)
See also
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