Find the length of a 40° arc in a circle with a radius of 4

Question

asked Mar 13, 2020 115k views

2 Answers

Charis · Answer 1 · 2020-03-20T06:09:24+0000

Answer:

8π/9 ≈ 2.79

Explanation:

The arc length is a fraction of the total circumference:

s = (θ/360) 2πr

s = (40/360) 2π (4)

s = 8π/9

s ≈ 2.79