The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

Question

Accepted Answer

Πr2h = 924 ⟹ r = ❨ 924 x 2

And, 2Πrh = 264 ⟹ h =	❨	264 x	7	x	1	x	1	❩	= 6m.
			22		2		7

∴ Required ratio =	2r	=	14	= 7 : 3.
	h		6

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