# A triangle has sides A, B, and C. Sides A and B have lengths of 4 and 3, respectively. The angle between A and C is #(11pi)/24# and the angle between B and C is # (3pi)/8#. What is the area of the triangle?

##### 1 Answer

Mar 29, 2018

#### Explanation:

Using the Law of Cosines we can find the other side, and then the area.

Law of Cosines equation is

From the given angles, the third angle is

We now use Heron's formula for the area:

where

http://mste.illinois.edu/dildine/heron/triarea.html

https://www.mathopenref.com/heronsformula.html