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A metal pipe is 77 cm .long .The inner d...

A metal pipe is 77 cm .long .The inner diameter of a cross section is 4 cm. the outer diameter being 4.4 cm .Find its
(i) inner curved surface area
outer curved surface area.

Text Solution

Verified by Experts

The correct Answer is:
`(i) 968 cm ^(2) `
(ii) ` 10648 cm ^(2) `
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