# A triangle has sides A, B, and C. If the angle between sides A and B is #(pi)/8#, the angle between sides B and C is #(3pi)/4#, and the length of side B is 7, what is the area of the triangle?

##### 1 Answer

Feb 9, 2018

#### Explanation:

From the diagram:

Using **The Sine Rule**

We only need to find side

We know angle **B** and side **b**, so:

From diagram:

Area of triangle is:

**base x height**