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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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