Find the arc length of the bolded arc in the picture A) 99.0 ft
C) 756.1 ft
B) 19.6 ft
D) 7.9 ft

  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

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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

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