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Answer :
i) Given :
Height (h) of cylinder = 5 cm
Let radius of cylinder be r.
Also, CSA of cylinder = 94.2 \({cm}^{2}\)
Thus, we get that,
\(\Rightarrow \) \(2 {\pi} r h\) = 94.2 \({cm}^{2}\)
\(\Rightarrow \)
(2 × 3.14 × r × 5) cm = 94.2 \({cm}^{2}\)
\(\Rightarrow \) r = 3 cm
ii) We know that,
Volume of cylinder
= \({\pi} {r}^2 h\)
= \(3.14 × {3}^2 × 5\) \({cm}^{3}\)
= 141.3 \({cm}^{3}\).