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[" 15.If "a,b,c" and "u,v,w" are complex...

[" 15.If "a,b,c" and "u,v,w" are complex numbers representing the vertices of two "],[" triangles such that "c=(1-r)a+rb" and "w=(1-r)u+rv" ,where "r" is a "],[" complex number,then the two triangles: "],[[" (a) have the same area (b) are similar "],[" (c) are congruent "],[" [Ans.(b)] "]]

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