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A cylinder of base radius r and height h is dipped vertically to half the height in a bucket full of purple paint find the area of the surface which gets



I am not going to write the final answer. When the cylinder is dipped in the tank. Half of it gets layered by paint and the base is also painted.

Total area which gets painted = (Half the area of the surface of the Δ) + (Area of the base)

=[tex]frac_{1}{2}[\tex]*b*h + [tex]frac_{1}{2}*π*r^2[\tex]
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