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h-wysokość bryły
h=2a
v=a²h=a²×2a
6√3=2a³
a³=6√3:2
a³=3√3
a=∛3√3
h=2a=2∛3√3
pole=2a²+4ah=2(∛3√3)²+4×∛3√3×2∛3√3
pole=2×∛27+8×∛27=6+8×3=6+24=30j.²
pozdrawiam