Find the weight of a wooden box made of wood 3.5cm thick. The box is 60cm long, 45cm wide and 30cm high. Also,find the volume of wood used and the capacity of box, if 100cm3 of wood weight 9g
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for finding capacity use formula of volume l*b*h
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L = 60 , B = 45 , H = 30 from outside
L = 53 , B = 38 , H = 23 from inside
Volume of wood = Vol. of box from outside - Vol. of box from inside
= (60 X 45 X 30 ) - (53 X 38 X 23 )
= 81000 - 46322
= 34678 cm3
We know, 100cm3 = 9g
then, 34678cm3 = 3121.2g
= 3.12 kg (approx.)
L = 53 , B = 38 , H = 23 from inside
Volume of wood = Vol. of box from outside - Vol. of box from inside
= (60 X 45 X 30 ) - (53 X 38 X 23 )
= 81000 - 46322
= 34678 cm3
We know, 100cm3 = 9g
then, 34678cm3 = 3121.2g
= 3.12 kg (approx.)
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