What is 2D and 3D shapes?

Answer 1

2-d is a drawing 3-d is a real thing like paper or a human

edit:

2-d, or 2 dimensional, objects are described by length and width.

3-d, or 3 dimensional, objects are described by length, width, and depth.

Answer 2

2D means 2 dimensional, meaning it has two dimensions for which varying properties of it are acquired. These can only be drawn as an illustration or approximation of a shape.

3D means 3 dimensional, meaning all objects and organisms surrounding us are 3D.

There cannot be 1D or 5D or more, but some cosmologists believe the universe can relate hyper-dimensional space, which is 4D.

Answer 3

2d means two diamensional and 3d is three dimentional

Answer 4

3d = three dimensional

Can be formed in a plane

2d = two dimensional..

Visualised in space