Find the volume and curved surface area of a road roller whose base radius is 56 cm and length (height) of it is 3m.
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base radius r =56cm= 0.56m
h= 3m
volume of cylinder =π(r^2)h
=π(0.56)^2×3=2.96 m^3
C.S.A = 2πrh = 2π×0.56×3 =10.555 m^2
h= 3m
volume of cylinder =π(r^2)h
=π(0.56)^2×3=2.96 m^3
C.S.A = 2πrh = 2π×0.56×3 =10.555 m^2
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