David wants to build a rectangular fencing with the 5 identical parts for his animals. He has 780 feet of fencing to make it. What dimensions of each part will maximize the total enclosed area?

Answer 1

Each length is 156'.

To make a rectangle, 1 length is to be cut in half.

The sides are to be 156+78=234' ea.

The widths are to be 156 ea.