Answer:
Option D
Step-by-step explanation:
9x=7x+14
9x-7x=14
2x=14
x=7
taking cos
co62=b/h
cos 62=x/12
0.46947x12=x
so, x = 5.633
rounding off
x= 6
z= 104
y=76
x=76
z+76= 180. solve for z
z=x