Answer:
x=7.8
Step-by-step explanation:
take 49 degree as reference angle
using cos rule
cos 49=adjacent/hypotenuse
0.65=x/12
0.65*12=x
7.8=x
Answer: forty five and tfourenths eight eight and eight hundreths seventeen hundreths two and thirty five thousandeths
step-by-step explanation:
The answer is the the second or B