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r=3
V=22/7.3.3.14
=369
LS = 2.Π.r.t
264 = 2 × 22/7 × r × 14
264 = 2 × 22 × r × 2
264 = 2 × 44 r
264/88 = r
3 = r
V = Π.r².t
V = 22/7 × 3 × 3 × 14
V = 22 × 3 × 3 × 2
V = 396 cm³