7.3. One of the possible solutions is shown in the figure. The fences have a length of 40 m, their ends are marked with bold dots (the horizontal segment is composed of two fences).

![](https://cdn.mathpix.com/cropped/2024_05_06_a1f5b0b192c88a095b69g-1.jpg?height=262&width=411&top_left_y=1311&top_left_x=1528)
7.3. A plot of $80 \times 50$ meters is allocated for gardens and is fenced on the outside. How should 5 straight fences of the same length be installed inside the plot to divide it into 5 rectangular plots of equal area?