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L Sel = 2πrt
1320 = 2 22/7 r 15,
1320 = 44x2 r
1320 = 88 r
1320 : 88 = r
r = 15
V =πr²t
V =22/7 15 15 15
V = 22x15x2x15
V = 9900 cm3