Question

Radius of a base of a cylinder is 20 cm and its height is 13 cm find its curved and total surface area​

Answer 1

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Answer 2

r=20cm and h=13cm

now it's C.S.A= 2πrh

=2×3.14×20×13

=1632.8cm^2

and it's T.S.A=2πr(h+r)

=2×3.14×20(13+20)

=2×3.14×20×33

=4144.8cm^2

hope it helps u.......!!!!!!