Find the curved surface area and the total surface area of a cylinder when radius of the base = 21 cm and height = 1 m
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Hiiii...
Here is ur answer...
Curved surface area of cylinder = 2×pie×r×h
Where r=21 cm and h= 1m or 100 cm
= 2×22/7×21×100
= 13200 cm^2.
Total surface area of cylinder = 2× pie ×r (r+h)
= 2×22/7×21(21+100)
= 2×22/7×21(121)
=15972 cm^2.
Hope this will help u....
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