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How many coins 1.75cm  in diameter and 2mm thick must be melted to form a cuboid 11cm x 10cm x 7cm___?

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Given that dimensions of a cuboid 11cm x 10cm x 7cm

So its volume (V1) = 11cm x 10cm x 7cm

Since volume of a cuboid is equal to sum of n volume of ‘n’ coins

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