Answer: the answer is (1357.17)cm² approx
Step-by-step explanation: we know that
surface area = 2π(r+h)
where r = radius and h = height of cylinder
given r = 9cm , h = 15cm
so, surface area = 2π × 9 × ( 9+15)
=2π×216
=1357.17 approx
hope, it helps you