Question

please help me
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Answer 1

$volume \: = \: base \: area \: \times \: height \\ = \pi {r}^{2}h \\ = 3.14 \times {7}^{2} \times 7 \\ = 1,077.02 \: cubic \: units$

$curved \: surface \: area \: = 2\pi {r}^{2} h \\ = 2 \times 3.14 \times {7}^{2} \times 7 \\ = 2,154.04 {cm}^{2}$