# Determine the 3d position of this vector

I have a rather simple mathematic problem to solve. However I am not that mathematically inclined so I'd appreciate if someone could provide advice on how I solve this mathematic problem:

For the following triangle I wish to find the location (X,Y & Z) of the point/vector C. How can I find this position?

Using simple Pythagoras I can find the length of side Z. But how can I find the position of C? I am attempting to offset/parallel a straight line segment (side X) so I need to calculate the position of C.

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## migrated from mathematica.stackexchange.comMar 14 at 8:31

This question came from our site for users of Mathematica.

Perhaps you intended this for math.stackexchange,com? –  rasher Mar 14 at 5:24
You can't with the information given. There is an infinite number of positions that point C can be at. This is 3D. So the point C will be on the circumference of a circle centered at point A with radius y. It is the base of a cone with tip at B. –  Nasser Mar 14 at 5:48