SOLUTION: Find the length of a radius of a circle such that the circumference of the circle is numerically equal to the area of the circle.

Question 709468: Find the length of a radius of a circle such that the circumference of the circle is numerically equal to the area of the circle.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the length of a radius of a circle such that the circumference of the circle is numerically equal to the area of the circle.
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C = (pi)(2r)
A = (pi)r^2
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Equation:
(pi)(2r) = r^2
-------
2r = r^2
---
r^2-2r = 0
r(r-2) = 0
Positive solution:
radius = 2
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Cheers,
Stan H.
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