Symmetry and Tessellations (Edexcel GCSE Maths): Flashcards

Mirror line where both sides fold exactly together

5

1

2

1

0

How many times shape looks identical during full rotation

4

2

Only looks same in original position

No. of sides = lines of symmetry = rotational order

Tiling patterns with no gaps or overlaps

Interior angle divides evenly into $360°$

Equilateral triangles, squares, regular hexagons

$60°$, $90°$, $120°$