3496 feet of fencing were used to create the barrier
Solution:
8-sided shape is called an octagon
The city set up an octagonal barrier around the park
Each side of the barrier was 145 2/3 yards long
Convert yards to feet
1 yard = 3 foot
Therefore,
How many feet of fencing were used to create the barrier
1 side = 437 foot
8 sides = 8 x 437 = 3496 feet
Thus 3496 feet of fencing were used to create the barrier