\( z_{1} . z_{2}, z_{3}, z_{4} \) correspond to the points \( A, B,...

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\( z_{1} . z_{2}, z_{3}, z_{4} \) correspond to the points \( A, B, C, D \) lie on \( n \)
\( \mathrm{P} \) circle If \( z_{1}+z_{2}+z_{3}+z_{4}=0 \), then how many of the

W following statements are correct?
(i) \( \mathrm{ABCD} \) is necessarily rectangle
(ii) \( \mathrm{ABCD} \) is necessarily a rhombus
(iii) Angle \( A B C \) must be right angle
(1) 0
(2) 1
(3) 2
(4) None of these
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