Respuesta :

Answer:

the answer is 19.3137

Step-by-step explanation:

each of the diagonal lines are 2.84 so multiply that times 4 because there are 4 of them then add the top and bottom lines which are 4 each so 8 plus the diagonal lines which are 11.3137 and you get 19.3137.

Answer:

the answer is 20

Step-by-step explanation: