V=H×πd"/4
V=4×π16=64π
V = h * πr^2 = 4 * (8 : 2)^2 * π = 4 * 4^2 * π = 4 * 16 * π = 64 π ≈ 201 m²
ответ : 64π m² ≈ 201 m²
V=H×πd"/4
V=4×π16=64π
V = h * πr^2 = 4 * (8 : 2)^2 * π = 4 * 4^2 * π = 4 * 16 * π = 64 π ≈ 201 m²
ответ : 64π m² ≈ 201 m²