the volume of cylinder is 448 pi cubic and its height is 7 cm find the curved surface area and total surface area of the cylinder
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volume of cylinder= πr^2h
πr^2×7= 448π
r = 8
CSA = 2πrh
= 2×8×7×22/7
= 352
TSA = 2πr(r+h)
= 2×22/7×8×15
= 754.3
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