Problem analysis is mainly to clarify your modeling ideas, that is, how to start modeling. Generally, this is not too important, so you can omit this step and focus on the establishment and optimization of the model. Finally, you can write a beautiful summary, and winning the prize is not a problem! I hope it helps you.
Solution: as shown on the right, connect EF, FG, GH, EH,
E and h are the midpoint of AB and DA, respectively,
Eh is the cent