Answer:
I think its b
Step-by-step explanation:
It would be 36 units, why is that not an answer choice?
<u>Answer:</u>
The correct answer option is B. 0.21.
<u>Step-by-step explanation:</u>
We are to find the value of
using the law of cosines.
We know that the formula of the cosine rule is given by:

So substituting the given values in the above formula:





cos C = 0.21