Odpowiedź :
[tex]Ob=4a\\\\4a=16\sqrt3 \ \ |:4\\\\a=4\sqrt3\\\\\alpha=30^o\\\\P=a^2\cdot\sin\alpha=(4\sqrt3)^2\cdot\frac{1}{2}=48\cdot\frac{1}{2}=\huge\boxed{24 \ [ \ j^2 \ ]}[/tex]
[tex]Ob=4a\\\\4a=16\sqrt3 \ \ |:4\\\\a=4\sqrt3\\\\\alpha=30^o\\\\P=a^2\cdot\sin\alpha=(4\sqrt3)^2\cdot\frac{1}{2}=48\cdot\frac{1}{2}=\huge\boxed{24 \ [ \ j^2 \ ]}[/tex]