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Deepika Mishra

Class 11th
Maths
2 years ago

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 Fig. 13.11). Find its (i) inner curved surface area, (ii) outer curved surface area, (iii) total surface area.

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Abhishek Mishra

2 years ago

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