Question

please answer this question no 6a

Answer 1

hey!
the answer is,
180-150=30
x=30
180-80=100
y=100
180-130=50
z=50

Answer 2

x+150=180 (linear pair)
or x=180-150
=30
y+80=180(linear pair)
or y=180-80
=100
z+130= 180(linear pair)
or z= 180-130
= 50