There is also a theory that this problem is solved not in a plane, but in a volume, meaning that the polygon has an element that protrudes beyond the plane, or even more than one, which allows a straight line to intersect it.
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There is also a theory that this problem is solved not in a plane, but in a volume, meaning that the polygon has an element that protrudes beyond the plane, or even more than one, which allows a straight line to intersect it.