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Two line segments \(\overline{AD}\) and \(\overline{BC}\) intersect at \(O\). Joining \(\overline{AB}\) and \(\overline{DC}\) we get two triangles, \(\Delta AOB\) and \(\Delta DOC\) as shown in the figure. Find the \(\angle A\) and \(\angle B\).
![YCUZD_050923_5514_17.png](https://resources.cdn.yaclass.in/fdd09704-9a30-447f-ad86-952c81b5f1e3/YCUZD050923551417w300.png)
\(A = \) \(^\circ\)
\(B = \) \(^\circ\)