How do I find the area of a circlr? In the problem I'm trying to solve, the only information that is given is that sides BC and AD of the 8 by 12 rectangle located outside of the circle, are tangent to the circle.

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asked by Lauren
  1. The diameter of the circle must be 8. Therefore the radius is 4.

    Use this formula:
    Area = pi * radius squared.

    A = 3.14 * 4^2
    A = ?

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