Answer:
x = 41°
Step-by-step explanation:
Using the cofunction identity
sinx = cos(90 - x) , then
sin49° = cos(90 - 49)° = cos49°
with x = 41°
7 times the answer maybe
z = 60
100+20+z=180
120+z=180
z=60
the answer is B
hope this helps :)
