a wooden box is made of 1 cm thick wood. if its outer length, breadth and height are 75 cm, 60 cm and 40 cm, then find the volume of the wood used in the box
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Inner length, breadth and height are = (75 - 2) = 73 cm
(60 - 2) = 58 cm
(40 - 2) = 42 cm
Outer volume = lbh
75*60*40 = 180000 cm³
Inner volume = lbh
73*58*38 = 160892 cm³
Volume of wood = outer volume - inner volume
= 180000 - 160892 = 19108 cm³
Hence volume of wood used in the box = 19108 cm³
(60 - 2) = 58 cm
(40 - 2) = 42 cm
Outer volume = lbh
75*60*40 = 180000 cm³
Inner volume = lbh
73*58*38 = 160892 cm³
Volume of wood = outer volume - inner volume
= 180000 - 160892 = 19108 cm³
Hence volume of wood used in the box = 19108 cm³
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