SOLUTION: how do you find the area and circumference of a circle?

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Question 201279: how do you find the area and circumference of a circle?
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Given the radius
C+=+2%2Api%2Ar = pi%2Adiameter
A+=+pi%2Ar%5E2