Answer:
I think it's 208.8m
Step-by-step explanation:
717.8 divided by 7.4 = 97. 97 x 2 + 7.4 x 2 =208.8m
10.5
because 10.5x2=21. and 45+13+21=79, 100-79= 21.
The other length is 9 feet.