Question

find the curved surface area and total surface area of right circular cylinder whose height is 15 cm and the radius of the base is 7 cm ​

Answer 1

Answer:

Curved Surface Area = 2πrh

=2π*7*15

=2*22/7*7*15

=44*15

=660 cm²

Total Surface Area = 2πr(h+r)

=2*22/7*7(15+7)

=44*22

=968 cm²

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Answer 2

csa = 2πrh

csa = 2*22/7*7*15

csa = 2*22*15

csa = 660cm2

tsa = 2πr (h+r)

tsa = 2*22/7*7 (15+7)

tsa = 2*22*22

tsa = 968cm2