S, A container, open at the top and made up of metal shee, is in the f – InterviewSolution

1.	S, A container, open at the top and made up of metal shee, is in the formof a frustum of a cone of height 16 cm with diameters of its lower andupper ends as 16 cm and 40 cm respectively. Find the cost of metal sheetused to make the container, if it costs 10 per 100 cm2. [CBSE 2013]
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