Find the edge of a cube whose volume equals to that of a cuboid whose dimensions are 63 cm x 56cm x 21 cm.2.3. A solid rectangular piece of iron measures 1.05m x 70em x 1.5cm. Find the weight of this piece inkilograms if 1cm3 of iron weighs 8 grams.Find the number of 4 em cubes that can be cut out from a 12 can cube. rThe areằof a courtyard is 3750 m 2 . Find the cost of covering(it with a gravel to a height of 1cm ifthe gravel costs 7 6.40 per cubic metre.4.5

Find the edge of a cube whose volume equals to that of a cuboid whose

1.	Find the edge of a cube whose volume equals to that of a cuboid whose dimensions are 63 cm x 56cm x 21 cm.2.3. A solid rectangular piece of iron measures 1.05m x 70em x 1.5cm. Find the weight of this piece inkilograms if 1cm3 of iron weighs 8 grams.Find the number of 4 em cubes that can be cut out from a 12 can cube. rThe areằof a courtyard is 3750 m 2 . Find the cost of covering(it with a gravel to a height of 1cm ifthe gravel costs 7 6.40 per cubic metre.4.5
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