QueenKe QueenKe
  • 26-02-2017
  • Mathematics
contestada

A circle has area of 361pi cm2 what is the radius

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wolf1728
wolf1728 wolf1728
  • 26-02-2017
Circle Area = PI * radius^2
If you know the area then
radius = square root (Area / PI)
radius = square root (361 / PI)
radius = square root (114.91)
radius = 10.72

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