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
So the correct ratio is 4:5
The only one that doesn’t mean the same as that is C.
Answer:
d
Step-by-step explanation: