Is it possible to design a rectangular park of perimeter 80 m and area 400 m2? If so, find its length and breadth.

Explanation

To determine whether it is possible to design a rectangular park with a perimeter of 80 m and an area of 400 m², we can follow these steps:

### Step-by-Step Solution:

1. **Understand the formulas**:
- The perimeter \( P \) of a rectangle is given by the formula:
\[
P = 2(l + b)
...