Find the total surface area of a cylinder if the radius of its base is 5 cm and height is 40 cm.


Given radius of cylinder , r = 5cm
Height of cylinder, h = 40cm
Total surface area of cylinder = 2r(r+h)
= 2×(22/7)×5×(5+40)
= 2×(22/7)×5×45
= 1414.28cm2
Hence Total surface area of cylinder is 1414.28cm2.

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