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  • 07-03-2017
  • Mathematics
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A circle has a circumference of 138.16 meters. What is the diameter of the circle ?

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rarrininger
rarrininger rarrininger
  • 07-03-2017
circumference = 2 π r
138.16 = 2 π r
138.16/2π = 2π/2π r
21.98884694 =r
Diameter = r X 2
Diameter = 21.98884694 X 2
Diameter = 43.97769388
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