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CBSE Class 9 Answered

the ratio of curvedsurface area to the total surface area of right circular cylinder is 1:3. find the volume of the cylinder. if its total surface area is 1848cm
Asked by | 14 Feb, 2012, 06:50: PM
answered-by-expert Expert Answer
Since , CSA/TSA = 1/3
h/(r+h) = 1/3
r = 2h
TSA = 2pie.r(h+r) = 2 pie . 2h . 3h = 1848
h = 7 , r = 14
Volume = pie . 14 .14. 7 = 4312cm3
Answered by | 14 Feb, 2012, 07:18: PM

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