Răspuns :
P = 3 · l = 4√3 => l = [tex] \frac{4 \sqrt{3} }{3} [/tex]
A = [tex] \frac{l^{2} \sqrt{3} }{4} = \frac{16*3* \sqrt{3} }{9*4} = \frac{48 \sqrt{3} }{36} = \frac{4 \sqrt{3} }{3} [/tex]
A = [tex] \frac{l^{2} \sqrt{3} }{4} = \frac{16*3* \sqrt{3} }{9*4} = \frac{48 \sqrt{3} }{36} = \frac{4 \sqrt{3} }{3} [/tex]