Answer: We know that [tex]m\angleRSQ[/tex] and [tex]m\angleRSO[/tex] together will give 180 degrees (because it is adjacent angle), so let’s call those angles a and b:
a + b = 180
112 + b = 180
b = 180 - 112
b = 68
So [tex]m\angleQSR[/tex] is equal to 68 degrees. Hope this helps!