Difference between revisions of "Concave polygon"
(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 ...) |
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| − | A '''concave polygon''' is a [[polygon]] that has an "opening" in it. | + | A '''concave polygon''' is a [[polygon]] that has an "opening" in it. In other words, there are two points, A, and B, in the interior of the polgon such that a portion of [[segment]] <math>\overline{AB}</math> is not in the boundary of the polygon. A concave polygon has at least one [[reflexive angle]], or an angle that is greater than <math>180^{\circ}</math>. |
== See also == | == See also == | ||
Revision as of 09:48, 23 September 2007
A concave polygon is a polygon that has an "opening" in it. In other words, there are two points, A, and B, in the interior of the polgon such that a portion of segment 
is not in the boundary of the polygon. A concave polygon has at least one reflexive angle, or an angle that is greater than 
.
See also
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