Answer :

Given, (3, – 1) and (4, – 2)

To find: Find the angle between x - axis and the line.


Explanation: We have two points A(3, – 1) and B(4, – 2).


The formula used: The slope of the line, m =


Now, The slope of line AB, mAB =


mAB = – 1


and, we know, The slope of x - axis is always 0


Now, the angle between x - axis and slope of line AB is,





θ = tan – 1 – 1


θ = 135o


Hence, The angle between the x - axis and the line is 1350.


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