A semi-regular tessellation is a pattern formed by two or more types of regular polygons that fit together without gaps or overlaps, creating a repeating structure in a plane. These tessellations maintain a consistent arrangement of angles and vertices, allowing for aesthetic diversity while preserving the mathematical properties of the shapes involved. The unique feature of semi-regular tessellations lies in their ability to incorporate different polygons, making them distinct from regular tessellations, which use only one type of polygon.
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