Find angles which are vertically opposite and are (a+20) and (b-10) such that a and b form a linear pair Share with your friends Share 2 Rishabh Mittal answered this Dear Student, a+20=b-10 Vertically opposite angles a-b=-30 ... 1a+b=180 ... 2 Linear pair Adding 1 and 2 , we get2a=150a=75°75-b=-30b=105°Angles area+20=b-10=75+20=95° Regards -1 View Full Answer