a polygon
An octagon.
Extend any straight side of a shape. The angle made by that side with the adjacent side of the shape is an exterior angle. Its value is 180 degrees less the interior angle.
A shape with three linear sides and one curved side can be drawn, but such a shape has no specific name.
A 13 sided shape is a tridecagon or tristedecagon. The roots to this word are tri (meaning 3) and dec (meaning ten). 3 + 10 = 13.
you call it a edge
a polygon
A hexagon
An octagon.
The answer is Tetradeecagon.
A nine sided shape is called a nonagon.
That's a septagon.
Its a sphere.
No not just any shape that has 8 side can be called an octagon. An octagon has straight lines that make up a closed bounded shape.
An irregular pentagon I think... :)
It could be a cylinder
There are only three spacial terms and they are: length, width, and depth.