The respective ratio of curved surface area and total surface area of a cylinder is 4:5. if the curved surface area fo the cylinder is b1232cm what is the height?
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CSA/TSA=4/5
5*2πrh=4*2πr(r+h)
5h=4r+4h
h=4r
r=h/4
CSA=2πrh
1232=2*(22/7)*(h/4)*h
1232=(11/7)h²
h²=1232(7/11)
h=√784
h=28 cm
The height of the cylinder is 28 cm.
5*2πrh=4*2πr(r+h)
5h=4r+4h
h=4r
r=h/4
CSA=2πrh
1232=2*(22/7)*(h/4)*h
1232=(11/7)h²
h²=1232(7/11)
h=√784
h=28 cm
The height of the cylinder is 28 cm.
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