logicrawford logicrawford
  • 26-03-2021
  • Mathematics
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Find the radius of a circle in which the central angle, a, intercepts an arc of the given length
a = 30°, s = 9in

Respuesta :

altavistard
altavistard altavistard
  • 26-03-2021

Answer:

17.2 in

Step-by-step explanation:

The formula for arc length is s = rФ.  Here we are to find r.  Solving this formula for r, we get:

r = s/Ф

So, in this problem, r = (9 in) / (π/6) = 54/π in ≈ 17.2 in

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