Posted by amir on Saturday, April 28, 2012 at 3:28am.
The axis of reflection is the angle bisector of the two lines.
One of the properties of the axis of reflection is that any point lying on the line is equi-distant from both the original line and the image.
Distance of a point from a line Ax+By+C=0 is
±(Ax+By+C)/sqrt(A²+B²)
Can you take it from here?
YES
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