# A triangle has sides A, B, and C. Sides A and B are of lengths #1# and #1#, respectively, and the angle between A and B is #(2pi)/3 #. What is the length of side C?

##### 1 Answer

Jul 8, 2016

#### Answer:

#### Explanation:

you can solve the problem by using the Carnot theorem:

so, in this case: