Question

Find the volume of wood used to make a closed rectangular box of outer dimensions 75 cm x 60 cm
*30 cm, the thickness of wood being 3.5cm all around. Also find the capacity of the box.​

Answer 1

Step-by-step explanation:

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External volume of the box =  60 cm X 75 cm X 30 cm = 135000 cm³

Internal volume of the box ie., inside box dimensions:

      (60 - 2 * 3.5 cm)  X (75 - 2 * 3.5 cm) X (30 - 2 * 3.5 cm)

      = 53 cm X 68 cm X 23 cm

      = 82892 cm³

This is the capacity of the box.

Volume of the wood used to make the box

     = 135000 - 82892 = 52108 cm³

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Answer 2

Answer:

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