noamarie noamarie
  • 09-11-2020
  • Mathematics
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The radius of a circle is 5 kilometers. What is the length of a 90° degree arc?

Respuesta :

arodri04
arodri04 arodri04
  • 09-11-2020

Answer:

s =5*π/2 km

Step-by-step explanation:

arc length s =  rθ

where θ =central angle in radians

r = 5km

θ = 90 degrees = 90 degrees/360degrees * 2π = [tex]\frac{1}{4}[/tex](2π) = π/2

s =5*π/2 km

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