# A triangle has sides A, B, and C. Sides A and B are of lengths #8# and #4#, respectively, and the angle between A and B is #(11pi)/12 #. What is the length of side C?

##### 1 Answer

Dec 18, 2015

#### Explanation:

If we denote the angle between

The Law of Cosines tells us

We are told that

Plugging these values into the formula gives