concave polygon


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Related to concave polygon: convex polygon, Irregular polygon

concave polygon

[′kän‚kāv ′päl·ə‚gän]
(mathematics)
A polygon at least one of whose angles is greater than 180°.
References in periodicals archive ?
More general clipping algorithms, presented in [8, 10, 12], are capable of clipping a concave polygon with holes to the borders of a concave polygon with holes.
The appearance of complexity, and the critical role of the circle in construction, are subjects broached in an eloquent manner through which the reader may gain an understanding of the elements of design-- divisions of the circle yield intersecting lines, regular polygons, and stars (concave polygons).
* all of the concave polygons and all of the convex polygons;