# A triangle has sides A, B, and C. Sides A and B are of lengths #1# and #2#, respectively, and the angle between A and B is #(pi)/8 #. What is the length of side C?

##### 1 Answer

Feb 26, 2018

#### Answer:

Answer for the **updated** question given below.

#### Explanation:

**1** and **2** respectively, and the angle between ** #pi/8#**. What is the length of side

Where

Here,

Using the Law of Cosines:

Hence,