Verified answer

Объяснение:

[tex]s = \frac{ {a}^{2} \sqrt{3} }{4} [/tex]

[tex] {a}^{2} = 64 \\ a = 8[/tex]

[tex]a = r \sqrt{3} \\ r = \frac{8 \sqrt{3} }{3} \\ r = \frac{a4 \sqrt{2} }{2} \\ a4 = \frac{8 \sqrt{6} }{3} \\ p = 4a \\ p = \frac{32 \sqrt{6} }{3} [/tex]