Tessellation is a repeating pattern of the same shapes without any gaps or overlaps. ... the equilateral triangle, the square and the regular hexagon. For example, ...

The cerium coordination sphere was flexible enough to accommodate the formation of a continuous 'snub square tiling' (pictured) up to a size of 300 Å × 300 Å.

Learn about triangles and quadrilaterals with BBC Bitesize Key Stage 3 Maths. Learn about tessellations with BBC Bitesize Key Stage 3 Maths. WATCH: How to draw a regular hexagon, square and ...