Question

find t s a of cylinder
please dont spam
of the last one
​

Answer 1

$\color{aqua}{ \underline {1) \: 4\pi {r}^{2} }} \\ \\ \color{lime}{ \underline{2)4 \pi{r}^{2} }} \\ \\ \color{gold}{ \underline{ \: 3) \: 1:1}} \\ \\ \color{red}{ \underline{4) \: \: 4\pi {r}^{2}}}$