# A triangle has sides A, B, and C. Sides A and B are of lengths #9# and #3#, respectively, and the angle between A and B is #pi/6#. What is the length of side C?

##### 1 Answer

Jan 29, 2016

#### Explanation:

Let the perpendicular height of the triangle be

Let the angle between

From here it is just a lot of grunt work with a calculator to get the length.