Question

pls help in this question above​

Answer 1

Step-by-step explanation:

for X

X+90= 180 (linear pair )

X=180-90

X=90

for z

Z+30= 180 ( linear pair)

Z=180-30

Z = 150

for y

90+30+A=180 ( angle sum property)

120+A=180

A=180-120

A=60

60+Y=180 ( linear pair )

Y=180-60

Y=120 ans