Sorry mahne put it in english so i understand more :)
Okay,to that,
It is #1: 0.348348348348348348348........
IF you look at #1, you can tell that the line on the number after 0., means that it goes forever.
For this case we have by definition, that the perimeter of the figure will be given by the sum of its sides, that is:

We add similar terms:

Thus, the correct option is option b. That is, 
Answer:

Answer:
-1/6
Step-by-step explanation: