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Radius or Diameter of a Circle Given Area
To find the radius, divide the area by pi, then take the square root.
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Determine the Area of a Circle
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Provides an example of how to determine the area of a circle when given the diameter.
MAT.GEO.602 (Circle Area - Geometry)
MAT.GEO.602.04 (Radius or Diameter of a Circle Given Area - Geometry)
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