Step-by-step explanation:
In figure:
∠PRT+∠RTP+∠TPR=180
O
(angle sum property of triangle)
⇒x+(180
−∠RTQ)+60
=180
(linear pair)
−97
0
)+60
o
⇒x=31
Now, ∠PRT+∠TRQ+∠QRS=180
(angle of straight line)
⇒x+48
+y=180
⇒31
+48
⇒y=101
