A shape with 8 sides is an octagon.
an octogon
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
An octagon has 8 sides and 8 angles.
what is a shape that have 8 sides
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.
A shape with 7 sides is a heptagon
A shape with three sides is a triangle.
you call a two dimensional shape with six sides a hexagon
Triangle is a shape with three sides.
An octagon has 8 sides.
A shape with 8 sides is an octagon