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If a ,b ,c and u ,v ,w are the complex n...

If `a ,b ,c` and `u ,v ,w` are the complex numbers representing the vertices of two triangles such that `c=(1-r)a+r b,` and `w=(1-r)u+r v ,` where `r` is a complex number, then the two triangles (a)have the same area (b) are similar (c)are congruent (d) None of these

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