To get started, Regős treated the 2D materials as simple polygonal tessellations — patterns that fit together with no gaps and infinitely repeat. Then, following Domokos’ approach, she calculated two ...

A tree's leaves can also vary in shape according to their position on the tree, ... The Ultimate Guide to Simple and Compound Tree Leaves. Identify the Outer Leaf Layer.

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this KS2 Maths guide from BBC Bitesize.

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this KS2 Maths guide from BBC Bitesize.