### Possible Answer

A hexagon is a six-sided, two dimensional figure. Its diameter is measured from a vertex, or intersection of two sides, through the center, to the opposite side to the point where two sides intersect. - read more

You can inscribe a regular hexagon within a circle such that all the vertices of the hexagon fall on the circle's circumference. The diameter of such a circle corresponds to the outside or maximal diameter of the hexagon. - read more

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