A triangle has sides A, B, and C. Sides A and B have lengths of 4 and 7, respectively. The angle between A and C is #(13pi)/24# and the angle between B and C is # (pi)/8#. What is the area of the triangle?
Area of the triangle
We note that the third angle of the triangle
This is the angle btwn. sides
Now, by Trigo., area of the triangle