# 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?

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Feb 9, 2018

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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**

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