Ok. Length = L, Base = B
P = 2L + 2B
We know that B = 3L or L = B/3
so that's P = 2/3B + 2B = 2/3B + 6/3B = 8/3B
The answer is 24.5. Just plug the numbers in
The answer is 1 1/2 and 1 whole
5.8/ sqrt 80=0.648 I think you are asking for the standard margin
Hope this works
