1080 ish.
An Octogon
The internal angles of an n-sided shape add to (n-2)*180 degrees. So, for an 8-sided shape, they would add to 6*180 = 1080 degrees.
a octagon
octohedron
An 8 sided shape is called an octagon
An eight-sided shape is called an octagon.
An eight sided shape is called an octagon.
Eight sided shape is called octagon.
A 2-Dimensional shape with 8 sides is called an Octagon.
The name of an 8-sided polygon is octagon
An 8-sided shape is an octagon, as the prefix oct means 8.
It is called an octagon and an irregular octagon can take any shape.
Any shape that is an 8 sided figure is called an octagon
Octahedron
Octagon
An irregular octagon