Difference between revisions of "Concave polygon"
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[[Image:concave_polygon.png|right|thumb|400px]] | [[Image:concave_polygon.png|right|thumb|400px]] | ||
− | 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 [[ | + | 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 [[reflex angle]], or an angle that is greater than <math>180^{\circ}</math>. |
== See also == | == See also == | ||
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[[Category:Definition]] | [[Category:Definition]] | ||
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Latest revision as of 22:31, 5 January 2008
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 reflex angle, or an angle that is greater than
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See also
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