The two tangents from an external points \(P\) to a circle with centre at \(O\) are \(PA\) and \(PB\).
If \(\angle APB = 72^{\circ}\) then the value of \(\angle AOB\) is
If \(\angle APB = 72^{\circ}\) then the value of \(\angle AOB\) is
Answer variants:
36
54
72
108
\(90\)
\(\angle APO\) \(=\) \(^{\circ}\)
\(\angle POA\) \(=\) \(^{\circ}\)
\(\angle AOB\) \(=\) \(^{\circ}\)