Odpowiedź:
[tex]P = 4 \times \frac{ {a }^{2} \sqrt{3} }{4} = {a}^{2} \sqrt{3} \\ \\ a) \: \: (2 \sqrt{2} {)}^{2} \sqrt{3} = 8 \sqrt{3} \\ b) \: \: (6 \sqrt{3} {)}^{2} \sqrt{3} = 108 \sqrt{3} \\ c) \: \: (5 \sqrt{6} {)}^{2} \sqrt{3} = 150 \sqrt{3} [/tex]
