Sujet: surface area of a cylinder liste de sujets
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	Corrosion inhibitor in a pipeline		2016-03-02
		Edu pose la question : I have a 12 in pipeline and 5 miles long. I need to coat it with corrosion inhibitor how much chemical will I need Penny Nom lui répond.
	The radius of a cylinder		2015-02-26
		Rose pose la question : Hi. I want to know how to find the radius of cylinder. When I have height (35cm) and area of the curved surface(880sq.cm). I know the formula is 2πr(h+r). But I can't understand how to find it's radius. Please help me. I really need your help. Penny Nom lui répond.

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