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Einstein problem

Dissection problem

Annales de Gergonne

Circumgon

ElGamal signature scheme

MathJax

Theorema Egregium

Umbilic torus

Girih tile

Regular polygon

Digon

0

1

2

3

4

5

6

7

8

9

11 (number)

13 (number)

Discrete geometry

Disk covering problem

Kakeya set

Carathéodory's theorem (convex hull)