Respuesta :

aosera
You can use
[tex] \frac{1}{2} ab \sin(c) [/tex]
Since it is an irregular triangle.
C refers to the angle and a & b refer to the adjacent sides.

So,
[tex] \frac{1}{2} \times4.3 \times 3.8 \sin(53) \\ = 6.52485211 \\ = 6.52[/tex]