Three-dimensional space

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Three-dimensional Cartesian coordinate system wi the x-axis pyntin taewards the observer

Three-dimensional space is a geometric 3-parameters model o the pheesical universe (wioot considerin time) in which we exist. Thir three dimensions can be labeled bi a combination o three chosen frae the terms lenth, weenth, hicht, deepth, an brenth. Ony three directions can be chosen, providit that thay dae nae aw lie in the same plane.

In pheesics an mathematics, a sequence o n nummers can be unnerstuid as a location in n-dimensional space. When n = 3, the set o aw sic locations is cried 3-dimensional Euclidean space. It is commonly represented bi the seembol . This space is anly ane example o a great variety o spaces in three dimensions cried 3-manifolds.