Question

If sides A and B of a triangle have lengths of 3 and 7 respectively, and the angle between them is `(2pi)/3`, then what is the area of the triangle?

Answer 1

`9,093` square units

Explanation:

We may use the area rule :

Area triangle `ABC=1/2ab sinC`

`=1/2xx3xx7xxsin((2pi)/3)`

`=9,093` square units