SOLUTION: I need to find the radius of a circle so that the area and circumference of the circle have The same value.

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Question 582601: I need to find the radius of a circle so that the area and circumference of the circle have The same value.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A = C

pi*r^2 = 2pi*r

pi*r^2 - 2pi*r = 0

pi*r(r - 2) = 0

pi*r = 0 or r - 2 = 0

r = 0 or r = 2


Ignoring the trivial solution, the answer is 2 units.