The radius of a circle is 5 kilometers. What is the length of a 90° degree arc?

Question

asked Dec 22, 2021 43.5k views

1 Answer

Bruno Belotti · Answer 1 · 2021-12-26T18:00:23+0000

Answer:

s =5*π/2 km

Explanation:

arc length s = rθ

where θ =central angle in radians

r = 5km

θ = 90 degrees = 90 degrees/360degrees * 2π =
(1)/(4) (2π) = π/2

s =5*π/2 km