Final answer:
Regular dodecagons do not tessellate a plane due to their shape. Only equilateral triangles, squares, and hexagons can tessellate a plane.
Explanation:
Regular dodecagons are 12-sided polygons, and they do not tessellate a plane. In tessellation, only regular polygons that fit evenly at each vertex can be used. The three regular polygons that can tessellate a plane on their own are equilateral triangles, squares, and hexagons.
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