concave polygon

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Related to concave polygon: convex polygon, Irregular polygon
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.concave polygon - a polygon such that there is a straight line that cuts it in four or more points
polygon, polygonal shape - a closed plane figure bounded by straight sides
reentering polygon, reentrant polygon - a polygon with one or more reentrant angles
convex polygon - a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points
References in periodicals archive ?
all of the concave polygons and all of the convex polygons;