bucket open at the top is of the form of a frustum of a cone. The diam – InterviewSolution

1.	bucket open at the top is of the form of a frustum of a cone. The diameters ofit 's upper and lower circular ends are 40cm and 20 cm respectively. If total17600 cm3 of water can be filled in the bucket, find its total surface area. (Use T29.A
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