SA of a cylinder: 2
r² + 2
rh
r = radius of base
h = height of cylinder
Plug in 3 for r and 5 for h in the formula.
2
3² + 2
(3)(5)
Use a calculator to solve.
2
3² + 2
(3)(5) =
150.8 ft²
I believe 1/3 since there is three of them.
But don't take my full word for it.
Answer: 21
Step-by-step explanation: