Question

Help with surface area, picture in comments thanks

Answer 1

...

Answer 2

\[\Huge A=2\pi rh+2 \pi r^2\]

Answer 3

Do you think you can plug in the corresponding radius and height?

Answer 4

@Bgarland2003

Answer 5

\[181.2408=2\left( 3.14 \right)r^2 + 2(3.14) r^2 \]

Answer 6

Oh wait and the first section is also times 8.5

Answer 7

\[181.2408=2(3.14)(8.5)r^2+2(3.14)r^2\]

Answer 8

need help

Answer 9

okay bye

Answer 10

error in substitution
2 pi R h not r^2