A metal pipe is 77 cm long. The inner diameter of across section is 4 – InterviewSolution

InterviewSolution

1.	A metal pipe is 77 cm long. The inner diameter of across section is 4 cm, the outer diameter being 4.4 cm. Find its(i) inner curved surface area,(ii) outer curved surface area,(iii) total surface area
Answer» Answer :(i) 968 `CM^(2)` (II) 1064.8 `cm^(2)` (iii) 2038.08 `cm^(2)`

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