abreaux930 abreaux930
  • 29-11-2021
  • Mathematics
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circle math problem,, area

circle math problem area class=

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Аноним Аноним
  • 29-11-2021

Answer:

(E). (33/2)π + 18  

Step-by-step explanation:

The reflex angle = 360 - 30 = 330 degrees.

Length of the curved part = (330/360) * 2π*9 = 33π/2.

The length of the straight lines = 9 + 9 = 18

So the required perimeter = 18 + 33π/2

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