12
Yes mam
The Greek Prefix for 12 is dodeca. For Example O12 would be dodecoxide.
A "dodeca" is a prefix: it is not a shape. An octahedron has eight faces.
Dodecagram dodecagon
dodecagon dodecahedron
dodecagon dodecahedron
Dodecahedron, it's a geometrical shape.
The prefix is dodeca- which, in Greek, refers to 12.
A expression in maths is a collection of terms without an equality sign.
Dodecagon Dodeca = 12, gon = sides
Dodecagon Dodeca = 12, gon = sides