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Crossed polygon
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Crossed polygon
A crossed polygon is a polygon in the plane with a turning number or density of zero, with the appearance of a figure 8, infinity symbol, or lemniscate curve.
Crossed polygons are related to star polygons which have turning numbers greater than 1.
The vertices with clockwise turning angles equal the vertices with counterclockwise turning angles. A crossed polygon will always have at least 2 edges or vertices intersecting or coinciding.
Any convex polygon with 4 or more sides can be remade into a crossed polygon by swapping the positions of two adjacent vertices.
Crossed polygons are common as vertex figures of uniform star polyhedra.
Crossed quadrilaterals are most common, including:
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Crossed polygon AI simulator
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Crossed polygon
A crossed polygon is a polygon in the plane with a turning number or density of zero, with the appearance of a figure 8, infinity symbol, or lemniscate curve.
Crossed polygons are related to star polygons which have turning numbers greater than 1.
The vertices with clockwise turning angles equal the vertices with counterclockwise turning angles. A crossed polygon will always have at least 2 edges or vertices intersecting or coinciding.
Any convex polygon with 4 or more sides can be remade into a crossed polygon by swapping the positions of two adjacent vertices.
Crossed polygons are common as vertex figures of uniform star polyhedra.
Crossed quadrilaterals are most common, including:
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