A lead pencil consist of a cylinder of graphite filled in the interior .The diameter of the pencil is 7mm and the diameter of the graphite is 1mm. if the length of the pencil is 14cm ,find the volume of the wood .( use π= 22 /7)
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the correct answer is 44
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kamini6:
ye galat h
sorry i forgot to read the full question
okk
thanx
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