'How to chose a random point at a certain distance to a reference point

I have point A (pointA = (x1, y1)) and I need to choose a random point B (pointB = (x2, y2)) such that the distance between the A and B is equal to K.

javamathrandom


Solution 1:[1]

This is a simple math question. 

x2 = x1 - k + 2k*new Random().nextDouble()

Now you can calculate y2.

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Solution Source
Solution 1 Nick Allen

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