SOLUTION: If the area of the circle centered at O is 36π, then what is the circumference of a circle whose radius is 2x? a)12π b)25π c)36π d)48π e)576π

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Question 978908: If the area of the circle centered at O is 36π, then what is the circumference of a circle whose radius is 2x?
a)12π
b)25π
c)36π
d)48π
e)576π

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If the area of the circle centered at O is 36π, then what is the circumference of a circle whose radius is 2x?
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C+=+2pi%2Ar
C+=+4pi%2Ax