6. TBQ - Find the unknown angle

In Fig., ray \(OS\) stands on a line \(POQ\). Ray \(OR\) and ray \(OT\) are angle bisectors of \(∠ POS\) and \(∠ SOQ\), respectively. If \(∠ POS = 10x\), determine \(∠ ROT\).

 

\(\angle ROT=\) \(^°\)