dodecahedron
A twelve sided polygon is called a dodecagon.
Apothem!
Not surprisingly, it is called a side!
"Heptagon" is the name of a 7-sided polygon.
dodecahedron
Dodecagon
The name for this polygon is a nonagon,
A polyhedron with twelve regular pentagons as sides is called a dodecahedron.
A twelve sided polygon is called a dodecagon.
The name of a 7 sided polygon is Heptagon.
A hendecagon or an undecagon is the name of a polygon which has eleven sides.
Apothem!
Not surprisingly, it is called a side!
"Heptagon" is the name of a 7-sided polygon.
A dodecagon is a polygon that has twelve sides. A regular dodecagon has twelve internal angles of 150 degrees each.
If measured on the inside of the polygon, the it is an interior angle.