why rectangular coordinate system consists of 3 axes i.e. x,y & z axes

Dear Prachet

Any system is choosen in such a way so that it should be easy to use and it also give the complete information.

If you choose only 2 axix then it is easy to use but it will not give the complete information.u can tel the length abd breath of the object but at the same time you can't tell hight.  similerly if you use more than 3 axix.then it will be complecated in use .

so onle 3 axix is used.

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