Question

what is the total surface area of a cylindrical pipe​

Answer 1

Answer:

Total Surface Area of a cylindrical pipe is 2πr(r+h).

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Answer 2

Answer:

Hey mate... here is your answer

The total surface area of a hollow cylinder is 2π ( r1 + r2 )( r2 - r1 +h), where, r1 is inner radius, r2 is outer radius and h is height.

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Hope this will help you