SOLUTION: For which positive radius, r, is the circumference of a circle the same as the area of a circle?

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Question 587736: For which positive radius, r, is the circumference of a circle the same as the area of a circle?
Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
C = 2%2Api%2AR
A = pi%2AR%5E2
Set C = A:
2%2Api%2AR = pi%2AR%5E2
Dividing through by pi%2AR gives R=2