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-   -   Geometry Question - Complex numbers & triangles (http://www.physicsforums.com/showthread.php?t=73484)

MattL Apr28-05 01:26 PM

Geometry Question - Complex numbers & triangles
 
OK, I've got this question to do:

Find complex numbers representing the vertices of a triangle ABC given
that the midpoints of the sides BC, CA, AB are represented by complex numbers
z_1, z_2, z_3 respectively.

Thing is, I don't know where I'm taking the origin to be; if I took it at A then I would just have A is O, B is 2*z_3, C is 2*z_2. Surely there's more to the question than that?

MattL Apr28-05 01:32 PM

yeah, oops, just realised it's about similar triangle and it doesn't matter where the origin is...


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