Question

what is the curved curved surface area of a cylindrical hollow pipe​

Answer 1

Answer:

Curved surface area of a cylinder = 2 π r h

In the figure alongside of the cylinder, curved surface area = 2 π × PS × PQ.

Step-by-step explanation:

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Answer 2

Answer:

$2\pi(r1 + r2)(r2 - r1 + h).......$

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