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And all tanker is having metallic tank in the form of the right circular cylinder with the hemispherical ends if the height of the cylinder is 10 m and diameter of the circle section is 4 m to save it from rust it is to be painted find the cost of painting the solid at the rate of rupees 10 for 1 square CM of the area( used by is equals to 3.14)

    • Posted by Gayatri Meghwal 10 months, 3 weeks ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Kaushik Verma 10 months, 2 weeks ago

    TSA Of tank= CSA of Cylinder +2×CSA Of Hemisphere = 2pirh+4pir² =2pir(h+2r) =2×3.14×2(10+4) =4×3.14×14 =56×3.14 175.84m² ( 17584cm²) Cost of painting = 10×17584=175840cm²

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