Question

The radius and height of a right circular cylinder are in the ratio 1:3. find its total surface area if its volume is 3234 cu. cm.

Answer 1

let both be x
volume=22/7*1x*1x*3x cm3
  3234   =22/7*3x​3
3234*7/22*3=x3
            343=x3
               7=x
r=7
h=21

T.S.A=2*22/7*7*(21+7)cm2
         =44*28
        =1232 cm​2

Answer 2

Answer:

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