The edges form the two dimensional pattern of a three dimensional figure.
A pattern, also known as a net
answer 2: An orthographic projection
a decagon
octogon an octagon
Circle
a 5-sided shape is called a pentagon.
it is a trigon or as most people call it triangle
NET
you call them problems because you need to figure it out and it could come in your life and you have to figure it out
A 17 sided figure is a heptadecagon.
1200 sided figure is chiliadihectagon
my friends and i call it skating
Rotation.
Perimeter
I would call it a 102-gon.
heptagon
Nonagon
a decagon
it is a Dodecagon