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A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm.(i) Inner curved surface area,(ii) Outer curved surface area,(iii) Total surface area. |
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Answer» A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm.
(i) Inner curved surface area, (ii) Outer curved surface area, (iii) Total surface area. |
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