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Nets of a Cuboid

A cuboid is f...

Question

A cuboid is formed using matchboxes as shown.

If all these match boxes are placed in a straight line as shown below what will be the total length? Each match box is 10cm long.

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Solution

From the figure:
Number of match boxes in one layer = 14

Hence the number of match boxes in 4 layers = 14 $\times$ 4 = 56

Given, Length of 1 match box = 10 cm
Hence the length of final cuboid = 10 $\times$ 56 = 560 cm.

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