A shape with eight straight sides is called on octagon. There is not another specific name, but you could call it the more generic name: polygon.
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
an octagon.
A octagon has 8 sides, 8 angles. An octagon is an eight sided shape
octagon
An octagon.
An 8 sided shape is an octagon
An octagon has 8 sides and 8 corners.
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
an octagon is it's own shape with 8 sides
Octagon
An octagon has 8 sides.
A shape with 8 sides is an octagon
An 8 sided shape is an octagon
Octagon.
octagon
octagon
An octagon has 8 sides and 8 angles.