What is the answer to this problem?

A=πr (r+√[h^2+r^2])

A=πr (r + (√h^2+r^2))

Square root line continues at the top of h^2 through r^2. r is radius and h is height for this problem.

Now substitute numbers for the variables.

A=π8 (8 + (√7^2+8^2))

Now solve.

The rest I will leave up to you.