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R²=16
R=√16
R=4
P=4πR²
P=4*16π
P=64π [j²] pole pow. kuli
V=4/3 πR³
V=4*4³π/3
V=256π/3 [j³] objętosć
P=?
V=?
P=4pi do kwadratu
V=4\3pi (do potęgi 3)
r=?
16pi=2pi·r
r=16pi/2pi
r=8
P=4pi·8(do kwadratu)
P=4pi·64
P=256pi j (do kwadratu)
V=4\3pi ·8(do potęgi 3)
V=4/3·512
V=2048/3pi j (do potęgi 3)