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Coordinates are linear and/or angular quantities that designate the position of a point in relation to a given reference frame. In a two-dimensional plane, x and y are commonly used to designate coordinates of a point.
The average of the x coordinates of the point(s) is the x coordinate of the mid point, The average of the y coordinates of the point(s) is the y coordinate of the mid point, and so on, through 3, 4 dimensions, etc.
A point has coordinates (-3, 0). Where is it located in the coordinate plan?A point has coordinates (-3, 0). Where is it located in the coordinate plan?
Both coordinates are negative in this case.
If the polar coordinates of a point P are (r,a) then the rectangular coordinates of P are x = rcos(a) and y = rsin(a).