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Given that \(AB\) is a straight line. Calculate the value of \(x^\circ\) in the following cases.
 
(i) YCIND_310823_5503_10.png
 
\(x^\circ\) \(=\) \(^\circ\)
 
(ii) YCIND_310823_5503_11.png
 
\(x^\circ\) \(=\) \(^\circ\)
 
(iii) YCIND_310823_5503_12.png
 
\(x^\circ\) \(=\) \(^\circ\)