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It comes from Classical Greece.

'--gon' is a 2-dimensional figure.

tri = 3 ( As in triangle; 'trigon')

tetra = 4

penta = 5

hexa = 6

hepta = 7

octa = 8

nona = 9

deca = 10

To give the first '10' names.

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lenpollock

Lvl 16
9mo ago

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