Plane
Plane
A flat surface extending in all directions is a plane.
plane
A flat surface that extend infinitely in all directions is called a plane.
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.
It is a plane.
Plane
Plane
a plane
A flat surface extending in all directions is a plane.
plane
You are probably looking for the word 'plane'.
A plane could be considered an endless flat surface. A plane goes out infinitely in all directions, therefore, creating an endless flat surface.
A flat surface that extend infinitely in all directions is called a plane.
A plane
A plane =)