find th surface area of a cylinder of diameter 14cm and height 21cm
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Answer:
curved surface area = 924cm²
Explanation:
Dimensions of a cylinder:
diameter (d) = 14cm
radius (r) = d/2 = 7 cm
height (h) = 21cm
Curved surface area of the
cylinder = 2πrh
= 2×(22/7)×21×7
= 2×22×21
= 924 square cm
Therefore,
curved surface area = 924cm²
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