9514 1404 393
Answer:
36.4 m
Explanation:
Rounded to tenths, the dimensions are ...
12.7 m by 5.5 m
The sum of these is 18.2 m, so the estimate of the perimeter is ...
2·18.2 = 36.4 m
_____
The perimeter formula is ...
P = 2(L +W) . . . . . twice the sum of length and width.