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ICSE Class 9 Answered

The external dimensions of a closed wooden box are 27cm, 19cm and 11cm. If the thickness of the wood is 1.5cm, find the volume of the wood and the cost of wood for manufacturing @ ruppees 1.50 per cubic cm.  (4 marks) 
Asked by Prajvalsaraff | 15 Nov, 2018, 08:58: PM
answered-by-expert Expert Answer
Area of the wood of closed box of given dimension = 2×(27×19 + 19×11 + 27×11 ) = 1019  sq.cm
 
volume of wood = 1019×1.5 = 1528.5 cubic cm
 
cost of wood = 1528.5×1.5 = Rs. 2292.75
Answered by Thiyagarajan K | 16 Nov, 2018, 11:25: PM

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