2(l+b) h + lb

2(lb + bh + lh)

2(lb + lh + lb)

2lb + bh + lh

$2\pi r^2h$

$2\pi rh$

$2\pi r^2h$

$2\pi r$

$2\pi r$

$2\pi h$

$\pi rl$

$\pi rh$

 $r+h$  

 $r^2+h^2$  

 $\sqrt{r+h}$  

 $\sqrt{r^2+h^2}$  

$\pi r\left(l+r\right)$

$2\pi\left(l+r\right)$

$2\pi\left(h+r\right)$

$\pi\left(l+r\right)h$