Answer:
94°
Step-by-step explanation:
angle QPS = 180°(QPS being a straight line)
Now,
angle QPS=angle QPR+angleRPS
Putting the values,
7x-4+9x-40=180°
or,16x-44=180°
or,16x=224°
or,x=14°
So,angle QPR=7*14-4 °=94°
