Question

Hence,
Question 31 A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm,
the outer diameter being 4.4 cm (see figure) Find its.
(i) inner curved surface area,
(ii) outer curved surface area,
(iii) total surface area.
1.
motol nine
- 77 cm​

Answer 1

Step-by-step explanation:

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