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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
Total surface area.

Text Solution

Verified by Experts

The correct Answer is:
(i) 968 `cm^(2)`
(ii) 1064.8 `cm^(2)`
(iii) 2038.08 `cm^(2)`
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