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V=
P-pole boczne
l-tworząca stożka
r-promień
H-wysokość
r = 9
H² + r² = l²
16² + 9² = l²
256 + 81 = l²
337 = l²
l =√337
V = 1/3 · Pp · H = 1/3 · πr² · H = 1/3 · π · 81 ·16 = 432 π [j³]
Pb = πrl = π · 9 · √337 = 9 √337 π [j²]