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    Question

    The external dimensions of an open rectangular wooden

    box are 88 cm by 74cm by 67cm. If the wood is 2cm thick all around, find the amount of volume of wood used.(correct to one decimal place)
    A 54140m┬│ Correct Answer Incorrect Answer
    B 54104m┬│ Correct Answer Incorrect Answer
    C 54400m┬│ Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    Capacity of the box = 84 ├Ч 70 ├Ч 65 = 382200 m┬│ Volume of the rectangular wooden box = 88 ├Ч 74 ├Ч 67 = 436304 m┬│ Volume of the wood used = volume of the rectangular wooden box тАУ capacity of the box┬а = (436304 тАУ 382200) = 54104 m┬│┬а

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