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SURFACE AREA OF CYLINDER

Ramakrishna Dhooli
19/12/2018 0 0

SURFACE AREA OF CYLINDER :-

Cylinder

If, radius of cylinder=r

    height of cylinder=h

Then, curved surface area of Cylinder=2πrh

  The Total surface area of Cylinder=2πr(r+h)

Ex:- 

If, radius of cylinder=r=35cm

    height of cylinder=h=10cm

hen, curved surface area of Cylinder=2πrh

                                                     =2x(22/7)x35x10

                                                      =2x22x5x10

                                                       =2200 cm2   

  The Total surface area of Cylinder=2πr(r+h)

                                                    =2x(22/7)x35(35+10)

                                                    =2x22x5x45

                                                     =9900  cm2       

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