A flat surface that extend infinitely in all directions is called a plane.
A flat extending endlessly in all directions is called a plane.
A flat surface extending in all directions is a plane.
plane
It is called as a plain.
A plane
A flat extending endlessly in all directions is called a plane.
A flat surface extending in all directions is a plane.
plane
It is called as a plain.
The flat surface that goes on and on in all directions has no boundaries. This flat surface is called infinite surface. Accordingly, the answer is that the flat surface that goes on and on in all directions is called an infinite surface.
A plane
A plane =)
It is a plane.
A plane
Plane
Plane
A plane could be considered an endless flat surface. A plane goes out infinitely in all directions, therefore, creating an endless flat surface.