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2014-11-06T18:50:32+05:30

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Height = h
Diameter = h
radius = h/2

Surface area = curved surface area + area of base and top
                    = 2πrh + 2πr²
                    = 2πr(r+h)
                    =2×π×h/2( h+h/2)
                    = πh(3h/2)
                    =3πh²/2
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2014-11-06T18:52:04+05:30
For cylinder'
Height(h)=diameter=2radius
so,
h=2r
total surface area =2πr(r+h)
                             =2πr(3r)
                             =6πr²
and c
Curved surface area=2πrh
                                 =4πr²
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