Question

what is 4D? tell a 4D object.

Answer 1

A cube is 3D because it has a height, width, and depth. In a simulated 3D world, each vertex that makes up 3D objects is a point in 3D space, represented by an x,y,z value. 4D. The universe we live in could be most accurately described with 4measurements, and so is 4D. The fourth dimension is time.

Answer 2

Four is Four Dimentional Space in Mathematics.In maths it is geomatric space with four dimensions.It has been studied by mathematicians and philosophers for over two centuries, both for its own interest and for the insights it offered into mathematics and related fields.Algebrically it is generated by applying the rules of vector and coordinate geomatryto a space with four dimensions.