Answer:
a. 66 degrees
Step-by-step explanation:
You divide it like this 0.103448276
Answer:
what........???????............
Answer:
-13/-5
Step-by-step explanation:
Answer:

Step-by-step explanation:
The Law of Cosines works for any triangle and is given by:
, where
,
, and
are the sides of the triangle and
is the angle opposite to
.
In the given triangle, assign the variables:
Substituting these variables, we have:
