Identify QR rounded to the nearest tenth. HELP ASAP!!

Answer:
QR =9.4
Step-by-step explanation:
Tan = Opp/Adj
So
Tan (38) = QR / 12
QR = Tan(38) * 12
QR = 0.7813 * 12
QR = 9.3756
QR =9.4