Question

I need help in this please! thanks​

Answer 1

θ = 85.93° (≈ 86°)

Explanation:

arc length : 2πr = θ : 360°

7.5 : 2πr = θ : 360°

θ = (7.5 * 360°) / (2π*5) = 2700 / 31.42 = 85.93°

θ ≈ 86°