There are only three spacial terms and they are: length, width, and depth.
Isometric shape
you call it a edge
No. The sides of a shape don't need to be equal in length to be parallel.
no
squares
If it is a rectangle or square it does not matterThe longest side of a shape is usually referred to as the length. This particularly applies to rectangles.
A hexagon
The answer is Tetradeecagon.
Depends upon the shape.
a square
it depends on what shape it is. square: perimenter/4 is one side's length. triangle: perminter/3 rectangle: perimeter/height = length or perimeter/length = height
A nine sided shape is called a nonagon.