The area of the base of a right circular cylinder is `616 cm^2` and its height is 2.5cm. Find the curved surface area of the cylinder.

Explanation

To find the curved surface area of a right circular cylinder given the area of the base and the height, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the formula for the area of the base of the cylinder**:
The area of the base of a cylinder is given by the formula:
\[
A = \pi r^2
...