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12 July, 16:44

Which of the following equations can be used to solve for the radius (r) ?

Formula: A = 3.14r^2

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  1. 12 July, 18:49
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    You did not include the equations that you want to assess whether they can be used to solve for the radius (r). Likely, the equation of the circumference, C = 2*Pi*r is included, if so = > r = C / (2*Pi). If you round Pi to 3.14, the equation may be written r = C / 6.28.
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