Q. Find the curved surface and total curved surface area of cylinder ( a ) Diameter = 14cm ( b ) Height = 15cm
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Answer:
a) d = 14 cm, h = 15cm
r = 7 cm
curved surface and total of cylinder = 2πrh
= 2×22/7 × 7 × 15
= 660 cm²
total surface area of cylinder = 2πr(r+h)
= 2×22/7 × 7(7+15)
= 44×22
= 968 cm²
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