Answers

2014-01-08T19:28:51+05:30
A Tessellation (or Tiling) is when you cover a surface with a pattern of flat shapes so that there are no overlaps or gaps.

A regular tessellation is a pattern made by repeating a regular polygon.
There are only 3 regular tessellations:
Triangles Squares Hexagons 3.3.3.3.3.34.4.4.46.6.6

A vertex is just a "corner point". 

What shapes meet here?
Three hexagons meet at this vertex,
and a hexagon has 6 sides.
So this is called a "6.6.6" tessellation.
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