The formula for the surface area of a cylinder is:
SA = 2πr² + 2πrh
where r is the radius of the base, h is the height, and π is approximately 3.14.
Plugging in the values given, we get:
SA = 2π(3²) + 2π(3)(7)
SA = 2π(9) + 2π(21)
SA = 18π + 42π
Adding these two terms, we get:
SA = 60π
So the surface area of the cylinder is 60π square meters. If you want a numerical approximation, you can use a calculator and round to an appropriate number of decimal places.