# A triangle has sides A, B, and C. Sides A and B are of lengths #1# and #3#, respectively, and the angle between A and B is #(5pi)/6 #. What is the length of side C?

##### 1 Answer

Mar 29, 2018

c=3.66

#### Explanation:

or

We know that the sides a and b are 1 and 3

We know the angle between them Angle C is

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