Odpowiedź:
a=2•6=12
[tex]h = \frac{a \sqrt{3} }{2} = \frac{12 \sqrt{3} }{2} = 6 \sqrt{3} [/tex]
[tex]P = \frac{ {a}^{2} \sqrt{3} }{4} = \frac{ {12}^{2} \times \sqrt{3} }{4} = \frac{144 \sqrt{3} }{4} = 36 \sqrt{3} [/tex]
