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V = 486 cm3
szukane :
P = 6a²
V = a³
a = ∛V
a = ∛486 cm³
a ≈ 7,87 cm
P ≈ 6a²
P ≈ 6* (7,87cm)²
P ≈ 6* 62 cm²
P ≈ 124 cm²
Odp. Pole sześcianu wynosi około 124 cm²
486 cm³ = a³
a =³√486 cm
a ≈ 7,86
P=6a²
P = 6 * (7,86cm)²
P = 6 * 62cm²
P = 372 cm²