Answer:
D) 7.9 ft
Step-by-step explanation:
To answer this, you only need to reject the nonsense answers.
The arc length will be more than 5 ft and less than the length of 2 sides of a 5 ft square (10 ft). Only one answer choice falls in that range.
7.9 ft
__
If you like, you can figure 1/4 of the circumference of a circle with radius 5 ft:
C/4 = (1/4)(2π)(5 ft) = 2.5π ft ≈ 7.854 ft ≈ 7.9 ft
