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concave polygon

DEFINITIONS OF: concave polygon

1

n a polygon such that there is a straight line that cuts it in four or more points

Antonyms:
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
Types:
reentering polygon, reentrant polygon
a polygon with one or more reentrant angles
Type of:
polygon, polygonal shape
a closed plane figure bounded by straight sides
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