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JAMB Mathematics 2020 Paper

Question : 33

Total: 40

^{3}

Solution:

V = 2080cm $^{3}$ , h = ?

r = 7cm

V = V $\pi r^{2}h$

h = $\frac{V}{\pi r^{2}} = \frac{3080}{\frac{22}{7} \times 49}$

$\frac{3080}{54}$ = 20cm

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