Question

plz solve this problem with explanations ​

Answer 1

Let 5:7 be x
5x+7x = 180 [ angles on straight line]
12x =180
X=180/12
= 15
Angle POR =5x
=5.15
= 75
Angle ROQ= 7 x
= 7.15
=105
Angle pos = roq ( vertically opposite angle)
Pos= 105
Angle qos = por
Qos= 75 ( vertically opposite angle)