Question

can anyone solve this problem

Answer 1

Solution is attached below

Answer 2

In the figure:
75° + a = 180°[ linear pair] a is the adjacent angle
a = 105°

Now x+ 4x = 105° [you can take it as v.o.a or as corresponding angles or anything else]
5x = 105°
x= 105°/5
x= 21°
4x= 21×4= 84

HOPE YOU UNDERSTOOD..........
AND I HOPE THIS HELPS YOU...............
:)