21 is I
should be akakakdndfmdmsmwwkwksoizjdnsnwk
For this case we will define the following:
A, B: are the values of the triangle angles
a, b: are the values of the lengths of the sides opposite the angles A, B.
We then have to use the law of the sine:

Clearing the angle B we have:

Substituting values we have:
Answer:
the following is true:
A. angle B=38.08 degrees
Answer: Have a nice day!
Step-by-step explanation:
The correct answer is -6m-n+3. You have to simplify the expression.