H = 2πR
S основания = πR²
V = S*H = 2π²R³
следовательно R = ∛(V/2π²) = ∛(432π²/2π²) = ∛216 = 6
D = 2R = 12
H = 2πR
S основания = πR²
V = S*H = 2π²R³
следовательно R = ∛(V/2π²) = ∛(432π²/2π²) = ∛216 = 6
D = 2R = 12