A triangle has sides A, B, and C. Sides A and B are of lengths 2 and 7, respectively, and the angle between A and B is (5pi)/12 . What is the length of side C?
1 Answer
Apr 6, 2017
Explanation:
The length of
The length of
The angle between
Now to the Law of Cosines
We will simply substitute the values we have and find the length of