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ta The dimensions of a closed oil tin are 30 cm x 30 cm x 45 cm. Find the area of the metal sheet requiredmaking 10 such tins. |
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Answer» Dimension of cuboidal tin = 30cm×30cm×45cmlet length = 30cmbreath = 30cmheight = 45cm Total surface area = 2(lb+bh+lh) = 2(30×30 + 30×45 + 45×30) = 2(900 + 1350 + 1350) = 2(3600) = 7200 cm²TSA of one tin box = 7200 cm²TSA of 20 tin boxes = 7200×10 = 72000 cm² |
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