There is no specific definition for a shape with a billion sides.
NOTE: While this question appears frivolous, it could have relevance in the computer generated imagery (CGI) world. Some CGI programs do not actually draw circles, represent circles and other arcs as a series of small lines connected at angles slightly less than 180 degrees. If the computer generating the image has enough capability to render one billion sides to a single image, the viewer might interpret that image as a circle.
There could be.......
what is the name of a 1000000000 sided shape?
To look at it, you could never tell it from a circle.
A shape with 7 sides.
A shape with four sides has four vertices and a shape with three sides has three vertices, so a shape with four sides has more vertices than a shape with three sides.
a shape with equal sides
a shape with ten sides
regular shape is a shape that has same sides irregular shape is a shape that has diffrent sides
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
shape no pairs of perpendicular sides
a heptagon is a shape with 11 sides!
A shape with 9 sides, is a nonagon.