# A triangle has sides A, B, and C. The angle between sides A and B is #(pi)/2#. If side C has a length of #28 # and the angle between sides B and C is #pi/12#, what is the length of side A?

##### 1 Answer

Aug 11, 2018

#### Explanation:

Let us **denote** by **angle between sides**

Using the **Sine-Rule,** then, we have,