Each side of a regular polygon is 2.5 cm in length. The perimeter of thepolygon is 12.5cm. How many sides does the polygon have?

Explanation

To find the number of sides of a regular polygon given the perimeter and the length of each side, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the formula for the perimeter of a regular polygon**:
The perimeter \( P \) of a regular polygon can be calculated using the formula:
\[
P = \text{Number of sides} \times \text{Length of each side}
...