ratio between the curved surface area and total surface area of a right circular cylinder is 1:3 find the ratio between the height and radius of cylinder.
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2πrh/πr(h+r)=1/3
2h/h+r=1/3
6h=h+r
6h-h=r
5h=r
r/h=5/1
2h/h+r=1/3
6h=h+r
6h-h=r
5h=r
r/h=5/1
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0
r by h =1by 2 as 2h= r
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