The capacity of a cylindrical tank is 385 m3. If the radius is 3.5 m, then find the cost of painting the curved surface area of the tank at the rate of rs.3.50 per m2.
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Step-by-step explanation:
1. find the height
2. find CSA
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Step-by-step explanation:
volume of cylinder=385
radius r =3.5
by the formula
22/7×3.5×3.5.h=385
h=10
csa =220m^2
cost of painting the csa of cylinder=220×3.50
=770m^2
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