It is a geometric model of the physical universe . The three dimensions are length, width, and depth or height
it is called a form
Perspective
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Using the laws of perspective, studying human anatomy, organization of space and light
Positive space and negative space
No. Space is a set of three dimensions in which things can exist.
Time is one dimension, not four. If you combine it with space, you can "visualize" it as four dimensions: three dimensions of space, one of time. Sort of visualize it - we can't really visualize four dimensions.
Space is the enormous volume in which matter and energy are located and through which motion takes place. Space is observed to have three dimensions, which are length, width, and depth (or height). It is hypothesized that there may be more dimensions than the three that we observe in our daily lives. String theory gives space ten dimensions and M-theory gives it as many as eleven dimensions including that of time.
There are (so far) three dimensions of space, and one dimension of time.
The four dimensions of Space Time are one real dimension r=ct and three vector dimensions Ix + Jy + Kz. All the dimensions have units of meters. The idea of a dimension of time is an historical artifact.
Length Width Height
I assume you mean, "what quantity describes the how much something is extended in three-dimensional space?", in which case the answer is volume.
No. Everything in our world is four dimensions. 3 dimensions of space, and 1 dimension of time.
In any of the three spacial dimensions or a combination of same
Space has 3 million dimensions
Cubed. The reason is that space has three dimensions - and that is basically what we are measuring.
In two dimensional space they must. In three (or more) dimensions they need not.