I think its true, since perimeter is the diatance around. I would say mines correct, but you could try. I hope that helped atleast a little. :)
Answer: (3, 13)
Step-by-step explanation:
If we let the point be P, then AP:BP=2:1.

at maximum. dt/dh=0
if you differentiate you will get
-32t=-100
t=3.125