Reflection angle for two points at different distances from a surface

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becka221
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Im trying to calculate the refelction angle of 2 points in a 2d plane, but not the same distance away from the reflection surface, and I'm drawing a blank.

Any help would be hugely appreciated.
 

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becka221 said:
refelction angle of 2 points in a 2d plane

:confused:

Can you provide some more description of your problem?
 
If I know x and y, how can i calculate x1 and x2 or 0?
 
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  • Diagram of a light ray reflecting off a horizontal surface, with points A and B above it, a vertical dashed normal line, horizontal distance x between A and B, height y of A, and segments x1 and x2 along the surface.
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