Răspuns:
[tex]A_{\Delta ABC} = \frac{9\sqrt{2}}{2}[/tex]
Explicație pas cu pas:
[tex]A_{\Delta ABC} = \frac{AB\cdot BC\cdot\sin{ABC}}{2} = \frac{3\cdot6\cdot\frac{\sqrt{2}}{2}}{2} = \frac{9\sqrt{2}}{2}[/tex]
