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math

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The number of square units in the area of circle P is equal to the number of units in the circumference of circle P. Assuming that the diameter of the circle must be greater than P, what is the radius of circle P ?

a. 2
b. 2 pi
c. 4
d. 4 pi
e. cannot be determined from the information given

please answer and explain

  • math - ,

    pi r^2 = 2pi r
    divide by pi*r to get
    r=2

    Since P is a circle, it makes no sense to say the "diameter must be greater than P".

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