Question

What is a concave polygon???

Answer 1

concave polygon is defined as a polygon with one or more interior angles greater than 180 degree

Answer 2

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A concave polygon is a polygon that is not convex. A simple polygon is concave iff at least one of its internal angles is greater than. . An example of a non-simple (self-intersecting) polygon is a star polygon. A concave polygon must have at least four sides.