Question

please answer..........​

Answer 1

Answer:

Hey, Didi ji it's your answer

Given:

Radius of cylinder = 4.2 cm

Height of cylinder=30cm

Surface area of cylinder (whose both ends are closed )

=2pirh +2 pi×r^2

Surface area of cylinder=2pi×r(h+r)

Surface area of cylinder=2×(22/7)×4.2(30+4.2)

=44×0.6(34.2)

=26.4(34.2)

Surface area of cylinder=902.88 cm^2

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