the dimensions of an oil tin are 26 cm× 26 cm× 45 cm. find the area of tin sheet required to make 20 such tins
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Dimensions of the oil tin = 26 cm x 26 cm x 45 cm Total surface area of the sheet = 2(lh + bh + lb) = 2(26x26 + 26x45 + 26x45) = 2(676 + 1170 + 1170) = 2(3016) = 6032 sq cm Area of the sheet required to make 20 tins = 6032 x 20 = 120640 sq cm
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