Question

At what point both axis are perpendicular to each other.​

Answer 1

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Question:- At what point both axis are perpendicular to each other?

Answer:- Because they are the easiest to deal with , you can choose any other pair of lines which are not perpendicular and also not parallel to describe the whole R^2 plane but in that case you have to deal with parallelogram instead of rectangle and a triangle instead of right angle as we have in XY co-ordinate system.

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Answer 2

Answer:

X-axis and Y-axis make up the horizontal plane. Positive Y-axis is north and positive X-axis is east. Z-axis is always the vertical axis and is positive upwards.

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