Respuesta :

Answer:77 is the length

Step-by-step explanation:52m times 2 =104 104-258=154 divided by 2 =77

Answer:

77

Step-by-step explanation:

Since the two widths is 52+52=104, then subtract that from the total perimeter, 258-104=154, and divide it by two to get the answer, 154/2=77.