For this case, what we must do is find three times the perimeter of the figure.
The length of the arch is given by:

Where,
r: radius of the circle
alpha: central angle in radians
We have then:

Then, the perimeter of the figure is:

Answer:
If David runs around the field three times, he covers a distance of 648 yards.
Answer:
31.4 in
Step-by-step explanation:
Answer:
C, 120
Step-by-step explanation:
Took Test
Answer: 20
Step-by-step explanation: Hope this help :D