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A cylindrical tank has a capacity of 6160 cu. m. Find its depth, if ts radinus is14 m. Calculate the cost of painting its curved surface (outer) at the rate of3/m2. |
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Answer» As the unit ofvolume given in the question is too small so considering it 6160 m³Volume of cylindrical tank =π r²×h⇒6160=π×(14)²×h⇒h = 10 mnow, the area of curved surface= 2π r×h =2π×14×10 =880 m²cost of painting that surface = Rs 3×880 = Rs2640 please like the solution 👍 ✔️ |
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