Respuesta :

9514 1404 393

Answer:

  3.  θ = 72°

  4.  C = 108

Step-by-step explanation:

3. Solve for θ.

  θ = 360°(s/C) = 360°(24/120) = 72°

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4. Solve for C.

  C = 360°(s/θ) = 360°(12/40°) = 108