What is the volume of a solid cylinder of diameter 7cm and height 7cm? (Take \(\pi = \frac{22}{7}\))
Volume of a solid cylinder = Base area x height
Base area \(=\pi r^2\) =\(\frac{22}{7} \times \frac{7}{2}\times \frac{7}{2}\) = \(\frac{77}{2}\)
Volume of a solid cylinder = \(\frac{77}{2}\times \frac{7}{1}\) = \(\frac{539}{2}cm^3\)
=269.5cm\(^3\)
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