In the adjoining figure, \(ABCD\) is a parallelogram in which \(X° =\) 70\(°\) and \(Y° =\) 35\(°\) and \(Z°=\)105\(°\).
 
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(i) \(∠ABD=\)  \(°\).
 
(ii) \(∠BDC=\)  \(°\).
 
(iii) \(∠ACB=\)  \(°\)
 
(iv) \(∠CBD=\)  \(°\)