find the curved surface area and the total surface area of a cylinder whose dimensions is : radius of the base is 4.2cm and height is 90cm
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use the formula of TSA and DSS
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Area of curved surface=2πrh
=2×22/7×4.2×90
=2376cm²
Total Surface area=2πr(h+r)
=26.4(94.2)
=2486.88cm²
=2×22/7×4.2×90
=2376cm²
Total Surface area=2πr(h+r)
=26.4(94.2)
=2486.88cm²
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