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the external dimensions of an open rectangular box are 98cm by 84 cm by 77 cm. If the wood is 2 cm thick all around find: ​i) the internal dimensions of the box )the internal volume of the box ) the volume of the wood used in making the box the weight of the box in kg correct to 1 cm3 of wood weighs 0.95g

the external dimensions of an open rectangular box are 98cm by 84 cm by 77 cm. If the wood is 2 cm thick all around find:
​i) the internal dimensions of the box
  1. )the internal volume of the box
  2. ) the volume of the wood used in making the box
  3. the weight of the box in kg correct to 1 cm3 of wood weighs 0.95g

Grade:

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
6 years ago

First find out the the dimension of the internal box that will be nothing but subtract 4 from every dimension . These will be the new dimension of every sides.

2
Subtract the volumes of the boxes and you will get the answer.

3
Multiply the volume by 0.95g and you will get the answer


best of luck

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