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h:6 = h+6:10
h = 9
V₁=π6² * 9 * 1/3 = 36π *3 = 108π
V₂=π10² * 15 * 1/3 = 100π * 5 = 500π
V = 500π-108π = 392π [j³]
Odp: Objętość tej bryły to 392 j³