# A triangle has sides A, B, and C. If the angle between sides A and B is #(pi)/4#, the angle between sides B and C is #(2pi)/3#, and the length of side B is 5, what is the area of the triangle?

##### 1 Answer

Dec 26, 2016

Let

1.the angle between sides A and B opposite to side C is

2.the angle between sides B and C opposite to side A is

3.the angle between sides C and A opposite to side B is

By sine law of triangle

Area if the triangle