Question

I really need some help it's hard to understand!

Answer 1

Answer:

the answer is a

Step-by-step explanation:

Answer 2

Answer:

A.272$\pi$

Step-by-step explanation:

The radius is 8

=16/2

=8

$SA=2\pi rh+2\pi r^2\\=2(\pi )(8)(9)+2(\pi)(8)^2\\=2(\pi )(72)+2(\pi )(64)\\=(144)\pi +(128)\pi \\=272\pi$