A cylinder has a height of 15 cm and it's curved surface area is 471 sqcm Find the radius of it's base
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Curved Surface area of cylinder = 2πrh = 471
2 × 22/7 × r × 15 = 471
660/7 = 471
r = 471 × 7/ 660
r = 3287 /660
= 4.99 cm (approx)
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