Figurate number | Polygonal number (angolul)
Keresés: " Figurate number " OR " Polygonal number ", a következő helyen NRICH | PLUS | maths.org | Google
Definíció (alapfok)
The general name given to square numbers, triangular numbers, hexagonal numbers... or any number which can be represented by a pattern of dots forming a particular polygon.
Támogatók: EU Socrates Minerva, HeyMath!, Cambridge University Press