Question 32

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waecmaths question: 

A conical water–jug is 7cm in diameter and 6cm deep. Find the volume of water it can hold [Take $\pi =\tfrac{22}{7}$ ]

Option A: 

22cm3

Option B: 

44cm3

Option C: 

77cm3

Option D: 

308cm3

waecmaths solution: 

$V=\tfrac{1}{3}\pi {{r}^{2}}h=\tfrac{1}{3}\times \tfrac{22}{7}\times {{(\tfrac{7}{2})}^{2}}\times 6=308c{{m}^{3}}$

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