Question

please help me!!

what is three dimensional surface??

Answer 1

Put a piece of paper flat on a table. This is a 2D surface.
Pick up one corner of the paper, without disturbing the other three corners..
Done. A 3D surface.

Answer 2

what is their application??

Answer 3

Modeling all sorts of real-world objects, like buildings or nuclear cooling towers.

Answer 4

lol

Answer 5

3 dimensional surfaces can also be used to model solutions of partial differential equations.

Answer 6

-_- got a medal

Answer 7

lmao, who gave that to you?

Answer 8

lol
where is my medal

Answer 9

ohh got it again