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What do you mean by "dent"?A curve? A polygon cannot have a curve anywhere along its edge. A polygon is defined to have straight edges only. Other shapes besides polygons exist, such as circles and ellipses and the like, but they are not polygons.If you mean that a part of the shape comes inward toward the body/center of the polygon... but the edges are still straight... then the only shapes that can do this have at least five sides. And polygons that do this are called "concave polygons". Look up what a concave polygon is to verify this is what youre talking about.
Polyhedra.
The answer will depend on what is known of the shape. If you know only the number of faces, or only the number of vertices, then you cannot work out the number of edges. If you only know the shapes of the faces you cannot.The answer will depend on what is known of the shape. If you know only the number of faces, or only the number of vertices, then you cannot work out the number of edges. If you only know the shapes of the faces you cannot.The answer will depend on what is known of the shape. If you know only the number of faces, or only the number of vertices, then you cannot work out the number of edges. If you only know the shapes of the faces you cannot.The answer will depend on what is known of the shape. If you know only the number of faces, or only the number of vertices, then you cannot work out the number of edges. If you only know the shapes of the faces you cannot.
5 edges, 5 verts, and faces are only on 3d shapes, for the most part, so any 2d shape has 1
no. a 2d square has only 1 face but a 3d square (cube) has 6 faces.