Question 1078099
Depends on the box.
----
If the box is 4 by 4, it's 4sqrt(2).
If the box is 1 by 16, it's sqrt(257).
If the box is 0.01 by 1600, it's sqrt(2560000 + 0.0001)
-------
If the box is a hexagon, that's a whole nother deal.