waecmaths question:
Find the volume of a solid cylinder with base radius 10cm and height 14cm (take $\pi =\tfrac{22}{7}$)
Option A:
220cm3
Option B:
880cm3
Option C:
1400cm3
Option D:
440cm3
waecmaths solution:
$\begin{align} & V=\pi {{r}^{2}}h \\ & V=\frac{22}{7}\times {{10}^{2}}\times 14=4400c{{m}^{3}} \\\end{align}$
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