A metal pipe is 77 cm long.The inner diameter of a croos section is 4 cm,the outer diameter being 4.4 cm.Find its inner curved surface area,outer curved surface area,total surface area.

Raj Patel's image
Raj Patel
March 17, 2017, 9:25 p.m.

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Davneet Singh's image
Davneet Singh
March 18, 2017, 8:18 p.m.

Hi Raj, 

Please check Ex 13.2, 3 of Class 9th here https://teachoo.com/1318/468/Ex-13.2--3---A-metal-pipe-is-77-cm-long.-The-inner-diameter/category/Ex-13.2/

 

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