Question

A cylindrical pillar is 28 m in diameter and it’s height is double it’s diameter find the volume of cylinder

Answer 1

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Cylinder:-

d=28cm

r=14cm

h=3m X 100cm

  =300cm

CSA of cylindrical pillar=2πrh

                                       =2X22/7X14X300

                                       =2X22X2X300

                                       =26400cm^2