Question

Find the curved surface area of cylinder if its diameter is 28cm and height is 20cm.​

Answer 1

Answer:

Total surface area of a cylinder of Radius "R" and height "h" =2πR(R+h)

Radius of the base of the cylinder =

2

28

=14 cm

Hence, total surface area of the cylinder =2×

7

22

×14(14+20)

=2992cm

2

Step-by-step explanation:

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Answer 2

Answer:

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